Sylvioidea

Passerines

Tyranni: Suboscines

Passeri: Oscines

Passerida

Sylvioidea
Muscicapoidea and allies
Passeroidea

The 47 Orders

Palaeognathae

Galloanserae

Mirandornithes

Columbaves

Otidimorphae

Columbimorphae

Elementaves

Opisthocomimorphae

Gruimorphae

Ardeae

Strisores

Telluraves

Afroaves

Australaves

Swallows

The swallows form an independent lineage in Sylvioidea tree. After the swallows, the remaining Sylvioidea species fall into two groups. The first include the Phylloscopidae leaf warblers, the other includes the bulbuls, babblers, and Sylvia warblers.

Hirundinidae: Martins & Swallows Rafinesque, 1815

21 genera, 92 species HBW-9

The organization of the swallows is now based on Schield et al. (2024), with some help from Brown (2019), de Silva et al. (2018), A.E. Johnson et al. (2016), and Sheldon et al. (2005).

The swallows split from the remaining Sylvioidea around 20 mya. Oliveros et al., (2019) put the split at 22 mya; Kuhl et al., (2021) have it at 22 mya; Stiller et al. (2024) say 17.3 mya. As there are nearly 100 species involved, I've inserted subfamiles and tribes to make the organization a bit clearer. The first split is the river martins (Pseudochelidoninae), followed by a split between the sawwings (Psalidoprocninae) and everything else (Hirundinae). Hirundinae divides into two groups, one that builds nests from mud (Hirundinini) and the other that nests in burrows and cavities (Prognini). The genus tree below shows this in more detail. You can also click for species tree.

Click for Hirundinidae tree
Click diagram for Hirundinidae species tree

Older Changes: The Rough-winged Swallows (genus Stelgidopteryx) are treated here as two species, but there is substantial genetic distance within both species (Babin, 2005), and they may be better treated as several species. Although "Ridgway's Swallow", Stelgidopteryx ridgwayi, is relatively distant from the Northern Rough-winged Swallow subspecies serripennis and fulvipennis, this distance is within the range of both the Southern Rough-winged Swallow and the remaining races of Northern Rough-winged Swallow. Further research, including more comprehensive genetic testing of the various races and at more locations, will be necessary to sort this out.

Common House-Martin Split: Common House-Martin, Delichon urbicum, is split into Western House-Martin, Delichon urbicum, and Siberian House-Martin, Delichon lagopodum. See Leader et al. (2021).

Cave Swallow: The Cave Swallow, Petrochelidon fulva, which includes two geographically-based distinct color morphs, is sometimes considered a candidate for a split. However, Kirchman et al. (2000) found substantial gene flow between the various populations. It was also striking how genetically distinct the Florida population had become in just a few years.

2025 Genus changes: De Silva et al. (2018) discovered that the Forest Swallow, formerly in genus Petrochelidon, was actually sister to the Delichon swallows. They attempted to establish the new genus ‘Atronanus’ for it, but didn't preregister it with ZooBank. As a result, I'm referring to the Forest Swallow as ‘Atronanus’ fuliginosus.

H&M-4 had already split Phedina into 3 monotypic genera. This is consistent with Schield et al. (2024). As a result, the Banded Martin, Phedina cincta, becomes Neophedina cincta (Roberts 1922) and Brazza's Martin, Phedina brazzae, becomes Phedinopsis brazzae (Wolters 1971).

2025 Species changes: The Rock Martin, Ptyonoprogne fuligula has been split into Large Rock Martin, Ptyonoprogne fuligula, and Red-throated Rock Martin, Ptyonoprogne rufigula. The Large Rock Martin consists of the more southern subspecies anderssoni, fuligula, and pretoriae. The Red-throated Rock Martin has the northern subspecies pusilla, bansoensis and rufigula. See Brown (2019).

The Pacific Swallow, Hirundo tahitica, has been split into Tahiti Swallow, Hirundo tahitica and Pacific Swallow, Hirundo javanica based on morphological differences (HBW/BirdLife).

There are a complex set of changes to the Red-rumped Swallows (Cecropis).

Finally, the Madagascan Martin, Riparia cowani, has been split from the Brown-throated Martin Riparia paludicola. Shield et al. (2024) found they split a healthy 3.3 million years ago. BoW and HBW/BirdLife support the split based on morphology and vocalizations.

There has also been some rearrangement of the linear order. Here's the result.

Pseudochelidoninae: River Martins Shelly, 1896

  1. African River-Martin, Pseudochelidon eurystomina
  2. White-eyed River-Martin, Pseudochelidon sirintarae

Psalidoprocninae: Sawwings Sharpe, 1870

  1. Square-tailed Sawwing, Psalidoprocne nitens
  2. Fanti Sawwing, Psalidoprocne obscura
  3. Mountain Sawwing, Psalidoprocne fuliginosa
  4. Black Sawwing, Psalidoprocne pristoptera
  5. White-headed Sawwing, Psalidoprocne albiceps

Hirundininae Rafinesque, 1815

Prognini: Martins & Allies Cassin, 1853

  1. Gray-rumped Swallow, Pseudhirundo griseopyga
  2. White-backed Swallow, Cheramoeca leucosterna
  3. Mascarene Martin, Phedina borbonica
  4. Banded Martin, Phedina cincta
  5. Brazza's Martin, Phedina brazzae
  6. Pale Martin, Riparia diluta
  7. Bank Swallow / Sand Martin, Riparia riparia
  8. Congo Martin, Riparia congica
  9. Gray-throated Martin, Riparia chinensis
  10. Brown-throated Martin, Riparia paludicola
  11. Madagascan Martin, Riparia cowani
  12. Tree Swallow, Tachycineta bicolor
  13. Golden Swallow, Tachycineta euchrysea
  14. Violet-green Swallow, Tachycineta thalassina
  15. Bahama Swallow, Tachycineta cyaneoviridis
  16. Tumbes Swallow, Tachycineta stolzmanni
  17. Mangrove Swallow, Tachycineta albilinea
  18. White-winged Swallow, Tachycineta albiventer
  19. White-rumped Swallow, Tachycineta leucorrhoa
  20. Chilean Swallow, Tachycineta leucopyga
  21. Brown-chested Martin, Progne tapera
  22. Peruvian Martin, Progne murphyi
  23. Purple Martin, Progne subis
  24. Southern Martin, Progne elegans
  25. Gray-breasted Martin, Progne chalybea
  26. Galapagos Martin, Progne modesta
  27. Sinaloa Martin, Progne sinaloae
  28. Cuban Martin, Progne cryptoleuca
  29. Caribbean Martin, Progne dominicensis
  30. Northern Rough-winged Swallow, Stelgidopteryx serripennis
  31. Southern Rough-winged Swallow, Stelgidopteryx ruficollis
  32. White-banded Swallow, Atticora fasciata
  33. Black-capped Swallow, Atticora pileata
  34. White-thighed Swallow, Atticora tibialis
  35. Blue-and-white Swallow, Pygochelidon cyanoleuca
  36. Black-collared Swallow, Pygochelidon melanoleuca
  37. Tawny-headed Swallow, Alopochelidon fucata
  38. Pale-footed Swallow, Orochelidon flavipes
  39. Brown-bellied Swallow, Orochelidon murina
  40. Andean Swallow, Orochelidon andecola

Hirundinini: Mud-nesting Swallows Rafinesque, 1815

  1. Large Rock Martin, Ptyonoprogne fuligula
  2. Dusky Crag-Martin, Ptyonoprogne concolor
  3. Eurasian Crag-Martin, Ptyonoprogne rupestris
  4. Pale Crag-Martin, Ptyonoprogne obsoleta
  5. Red-throated Rock Martin, Ptyonoprogne rufigula
  6. Black-and-rufous Swallow, Hirundo nigrorufa
  7. Blue Swallow, Hirundo atrocaerulea
  8. Pied-winged Swallow, Hirundo leucosoma
  9. White-tailed Swallow, Hirundo megaensis
  10. Pearl-breasted Swallow, Hirundo dimidiata
  11. Hill Swallow, Hirundo domicola
  12. Pacific Swallow, Hirundo javanica
  13. Welcome Swallow, Hirundo neoxena
  14. Tahiti Swallow, Hirundo tahitica
  15. Wire-tailed Swallow, Hirundo smithii
  16. White-throated Swallow, Hirundo albigularis
  17. White-bibbed Swallow, Hirundo nigrita
  18. Barn Swallow, Hirundo rustica
  19. Ethiopian Swallow, Hirundo aethiopica
  20. Red-chested Swallow, Hirundo lucida
  21. Angolan Swallow, Hirundo angolensis
  22. Forest Swallow, ‘Atronanus’ fuliginosa
  23. Western House-Martin, Delichon urbicum
  24. Siberian House Martin, Delichon lagopodum
  25. Asian House-Martin, Delichon dasypus
  26. Nepal House-Martin, Delichon nipalense
  27. Lesser Striped-Swallow, Cecropis abyssinica
  28. Red-breasted Swallow, Cecropis semirufa
  29. Greater Striped-Swallow, Cecropis cucullata
  30. Mosque Swallow, Cecropis senegalensis
  31. Rufous-bellied Swallow, Cecropis badia
  32. African Red-rumped Swallow, Cecropis melanocrissus
  33. European Red-rumped Swallow, Cecropis rufula
  34. Eastern Red-rumped Swallow, Cecropis daurica
  35. Sri Lanka Swallow, Cecropis hyperythra
  36. South African Swallow / South African Cliff-Swallow, Petrochelidon spilodera
  37. Preuss's Swallow / Preuss's Cliff-Swallow, Petrochelidon preussi
  38. Red-throated Swallow / Red-throated Cliff-Swallow, Petrochelidon rufigula
  39. Red Sea Swallow / Red Sea Cliff-Swallow, Petrochelidon perdita
  40. Tree Martin, Petrochelidon nigricans
  41. Streak-throated Swallow, Petrochelidon fluvicola
  42. Fairy Martin, Petrochelidon ariel
  43. Cliff Swallow / American Cliff-Swallow, Petrochelidon pyrrhonota
  44. Cave Swallow, Petrochelidon fulva
  45. Chestnut-collared Swallow, Petrochelidon rufocollaris

Hyliidae, Aegithalidae, Cettiidae, and Phylloscopidae

These four families are relatively closely related.

Hyliidae: Hylias Bannerman, 1923

2 genera, 2 species Not HBW Family

  1. Green Hylia, Hylia prasina
  2. Tit Hylia, Pholidornis rushiae

I orginally put the Hylias in a separate family based on Johanssen et al. (2008). Fregin et al. (2012) place them sister to the long-tailed tits, albeit with less support than one might like. That seems to be not quite correct as Oliveros et al. (2019), Kuhl et al. (2021), and Stiller et al. (2024) place them sister to the combined long-tailed tits and Cettiidae. Estimates of the most recent common ancestor of the tree families include 20 mya (Oliveros et al.), 17.8 mya (Kuhl et al.), and 17.5 mya (Stiller et al.). Note that all three call Cettiidae “Scotocercidae”, which is incorrect. See below in the Cettiidae section.

Classification of the Tit-Hylia (Pholidornis rushiae) has long been controversial. It has variously been placed in at least 7 other families: Sylviidae, Estrildidae, Dicaeidae, Nectariniidae, Remizidae, Hyliidae and Meliphagidae. Sefc et al. (2003) found Hylia and Pholidornis more closely related than either is to Aegithalos or Phylloscopus. More recently, Oliveros et al. (2019) considered them sister taxa. with their most recent common ancestor living about 15 mya.

Aegithalidae: Long-tailed Tits Reichenbach, 1849-50

3 genera, 13 species HBW-13

Click for Aegithalidae tree
Click for Aegithalidae tree

Leptopoecile has been included in Aegithalidae rather than Sylviidae based on Sturmbauer et al. (1998), Alström et al. (2006), Johansson et al. (2008b), and Päckert et al. (2010).

The current arrangement of Aegithalos is based on the results of Päckert et al. (2010). However, they found that the last four species A. bonvaloti through A. sharpei are extremely close genetically, close enough to call into serious question whether they are separate species. Nonetheless, they appear distinct and, according to HBW-13, there is no evidence of interbreeding in areas of overlap. Päckert et al. also found quite large genetic differences between the various races of A. concinnus, suggesting several species are involved. This had previously been suspected based on plumage, but the presence of zones of intergradation has kept them lumped together. Unfortunately, Päckert et al. did not examine the entire concinnus complex, so the situation is not entirely clear, even without the complication of intergrades. Until more information is available, I leave the species limits unchanged.

Johansson et al. (2016) found that Psaltria is embedded in the concinnus complex (which still needs to be sorted out). I have merged Psaltria into Aegithalos.

  1. White-browed Tit-warbler, Leptopoecile sophiae
  2. Crested Tit-warbler, Leptopoecile elegans
  3. Bushtit / American Bushtit, Psaltriparus minimus
  4. White-cheeked Tit / White-cheeked Bushtit, Aegithalos leucogenys
  5. Black-throated Tit / Black-throated Bushtit, Aegithalos concinnus
  6. Pygmy Tit / Pygmy Bushtit, Aegithalos exilis
  7. Long-tailed Tit, Aegithalos caudatus
  8. Silver-throated Tit / Silver-throated Bushtit, Aegithalos glaucogularis
  9. White-throated Tit / White-throated Bushtit, Aegithalos niveogularis
  10. Black-browed Tit / Black-browed Bushtit, Aegithalos bonvaloti
  11. Sooty Tit / Sooty Bushtit, Aegithalos fuliginosus
  12. Rufous-fronted Tit / Rufous-fronted Bushtit, Aegithalos iouschistos
  13. Burmese Tit / Burmese Bushtit, Aegithalos sharpei

Cettiidae: Cettiid Warblers Coues, 1903

12 genera, 36 species Not HBW Family

The name Cettiidae: Note that Cettiidae is incorrectly called Scotocercidae by all in the big three papers. They were apparently unaware that Cettiinae was used as a family-group name by Coues, 1903, making it available for use at family level. It's first use at the family level (Cettiidae) may have been by Chigi in 1912. It was in recent use until after Scotocercidae was invented by Fregin et al. (2012). Since Cettiidae has more than a century of priority over Scotocercidae, it is the correct name for this famiy. I thank Laurent Raty for pointing this out on BIrdForum.

Click for Cettiidae tree
Click for Cettiidae tree

We briefly moved back to familiar territory family-wise, with the swallows and then the long-tailed tits. The long-tailed tits seem to be the sister group of another new family, the cettiid bush-warblers (Cettiidae). This group has an primarily south and east Asian distribution ranging into Oceania, the Western Palearctic, and tropical Africa. Although IOC and Clements use the term “Bush-Warblers and allies” for the family, I think it's a problem because there are as many “Bush-Warblers” in Locustellidae as in Cettiidae.

Fregin et al. (2012) proposed treating the genus Erythrocercus as a separate family, Erythrocercidae. One reason for separating them is that they have 12 rectrices rather than the 10 which the other Cettiidae have. Further, they are African rather than Asian (only one purely African species would be left in Cettiidae), and they are a fairly deep branch in the Sylvioidea tree. However, I am not yet persuaded we need another tiny family here. Since I wrote that, Oliveros et al. (2019) estimated the split between Erythrocercus and the rest of Cettiidae occurred about 17.8 mya. More recently, Kuhl et al. (2021) estimated the split at 14.4 mya and Stiller et al. (2024) put it a little earlier, at 13.4 mya. That's rather young for a family in this part of the avian tree, even if they do have 2 extra tail feathers. It is perfect for ranking them as a subfamily, Erythrocercinae.

That automatically means that Scotocerca should not be raised to family status. Both are treated as subfamilies here. For the record, Oliveros et al. put the split of Scotocerca at just over 15 mya.

There had once been questions about which family Scotocerca inquieta belongs to. It was often been placed with the cisticolas, but Barhoum and Burns (2002) presented evidence suggesting that Scotocerca is part of Acrocephalidae, not Cisticolidae. However, there were issues about the sample used, and the result did not appear robust. In truth, it was also wrong. Alström et al. (2011a) have carried out a more comprehensive analysis and found that Scotocerca is actually a cettiid warbler. They found it sister to a clade containing Cettia and Abroscopus. More recently Oliveros et al. (2019) has backed this up.

Irestedt et al. (2011) found that Neumann's Warbler, Hemitesia neumanni, is a member of the Cettiidae. It is most likely closest to the Urosphena stubtails, although the relationship is somewhat distant. Given that most of the Cettiidae are oriental, it's interesting that the African genus ended up among them. Irestedt et al. (2011) also provided stronger support for the basal position of Erythrocercus previously noted by Johansson et al. (2008b). Since Erythrocercus is also African, this opens the possibility that the Cettiidae may have originated in Africa.

The Phyllergates tailorbirds were formerly placed among the cisticolas in the genus Orthotomus (see Alström et al., 2006, 2011d; Fuchs et al., 2006a). The Odedi Bush-Warbler is a recent discovery (LeCroy and Barker, 2006). Its song had been heard by Jared Diamond in 1972, but the bird was not tracked down until recently. Hadden was able to mist-net the bird in 2000.

The arrangement of genera is now based on Alström et al. (2011d). This is generally consistent with my previous treatment based on Alström et al. (2006), Fuchs et al. (2006a), Johansson et al. (2008b), and Irestedt et al. (2011).

The genus Cettia as usually constituted is polyphyletic. Although my original guess was that it involved two different groups, Alström et al. (2011d) found that the situation was more complex. Accordingly, I've transferred the Pale-footed Bush-Warbler to Hemitesia, Gray-sided Bush-Warbler to Oligura, and temporarily designated Chestnut-crowned Bush-Warbler as “Cettia”. Only Cetti's Warbler is left in Cettia (as in the previous TiF version). The other former Cettia warblers are placed in Horornis (Hodgson 1845, type fortipes). I had previously put them in Horeites in spite of some uncertainty about whether the type species, brunnifrons, actually belonged with them. Well, it doesn't.

Alström et al. (2011d) suggest a somewhat different set of generic limits, with Hemitesia merged into Urosphena, and with Cettia including “Cettia” and Oligura. I decided to not follow that because (1) the genera I use seem to mark relatively deep divisions, and (2) there is some uncertainty about whether such a broad Cettia would also have to include Tesia (there's a reason I have a 4-fold polytomy there; see Fig. 3 and the supplementary material in Alström et al., 2011d).

Finally, the Manchurian Bush-Warbler is restricted to the race borealis, with canturians being demoted to a subspecies of Japanese Bush-Warbler, Horornis diphone. Genetically, borealis is closer to the Philippine Bush-Warbler than to the Japanese Bush-Warbler races cantans canturians, justifying treatment as a separate species. As borealis breeds in Manchuria, while canturians does not, I've retained the name Manchurian Bush-Warbler. Since canturians is quite close to cantans, and presumably to diphone, it is treated as a subspecies of the Japanese Bush-Warbler. That said, diphone itself has not been studied, and there are differences (e.g., song) that suggest canturians may be a separate biological species from cantans and diphone. A more comprehensive look at this complex would be helpful (including restricta).

Erythrocercinae: Bristle-flycatchers Fregin et al., 2012

  1. Little Yellow Flycatcher, Erythrocercus holochlorus
  2. Chestnut-capped Flycatcher, Erythrocercus mccallii
  3. Livingstone's Flycatcher, Erythrocercus livingstonei

Scotocercinae: Streaked Scrub Warbler Fregin et al., 2012

  1. Streaked Scrub Warbler, Scotocerca inquieta

Cettiinae: Cettiid Warblers Alström, Olsson, & Ericson, 2014

  1. Neumann's Warbler, Hemitesia neumanni
  2. Pale-footed Bush-Warbler, Hemitesia pallidipes
  3. Asian Stubtail, Urosphena squameiceps
  4. Bornean Stubtail, Urosphena whiteheadi
  5. Timor Stubtail, Urosphena subulata
  6. Cetti's Warbler, Cettia cetti
  7. Chestnut-crowned Bush-Warbler, "Cettia" major
  8. Gray-sided Bush-Warbler, Oligura brunnifrons
  9. Chestnut-headed Tesia, Oligura castaneocoronata
  10. Gray-bellied Tesia, Tesia cyaniventer
  11. Slaty-bellied Tesia, Tesia olivea
  12. Javan Tesia, Tesia superciliaris
  13. Russet-capped Tesia, Tesia everetti
  14. Yellow-bellied Warbler, Abroscopus superciliaris
  15. Black-faced Warbler, Abroscopus schisticeps
  16. Rufous-faced Warbler, Abroscopus albogularis
  17. Mountain Tailorbird, Phyllergates cuculatus
  18. Rufous-headed Tailorbird, Phyllergates heterolaemus
  19. Broad-billed Warbler, Tickellia hodgsoni
  20. Brown-flanked Bush-Warbler, Horornis fortipes
  21. Aberrant Bush-Warbler, Horornis flavolivaceus
  22. Sunda Bush-Warbler, Horornis vulcanius
  23. Hume's Bush-Warbler, Horornis brunnescens
  24. Yellow-bellied Bush-Warbler, Horornis acanthizoides
  25. Manchurian Bush-Warbler, Horornis borealis
  26. Philippine Bush-Warbler, Horornis seebohmi
  27. Japanese Bush-Warbler, Horornis diphone
  28. Palau Bush-Warbler, Horornis annae
  29. Tanimbar Bush-Warbler, Horornis carolinae
  30. Shade Bush-Warbler, Horornis parens
  31. Odedi / Bougainville Bush-Warbler, Horornis haddeni
  32. Fiji Bush-Warbler, Horornis ruficapilla

Phylloscopidae: Leaf-Warblers Jerdon, 1863 (1854)

9 genera, 79 species Not HBW Family

These are followed by the leaf-warblers (Phylloscopidae), which is a new family carved out of Sylviidae. It includes about 80 species, now generally classified in a single genus Phylloscopus. The genus Seicercus was previously recognized, but DNA made the two genus treatment untenable. There needed to be more as in TiF, or just one.

The taxonomy here is primarily based on Johansson et al. (2007a) and Olsson et al. (2005), with Irwin et al. (2005) and Martens et al. (2008) filling in some details. One way to handle the resulting changes is to move many species from Phylloscopus to Seicercus. This approach was previously taken in the TiF checklist. However, I think it is better to recognize the major clades as genera. Every genus recognized differs in DNA by at least 12%, and is visually distinct from its nearest relative. Some subclades that also differ by 12% or more, but are not visually distinct, are not recognized as separate genera.

Both Johansson et al. (2007a) and Olsson et al. (2005) are consistent with a division into nine clades, each of which I recognize as a separate genus. A brief description of the typical member of each genus is given below. Some members of the various genera may differ from the description. As is commonly done, I use the term “phylloscops” to describe any of the eye-lined warblers typically placed in the genus Phylloscopus.

  1. Abrornis. Kinglet-like phylloscops: maculipennis through proregulus;
  2. Rhadina. Plain phylloscops with pale-edged tertials: orientalis, bonelli, and sibilatrix;
  3. Phylloscopus. Plain phylloscops without wingbars: tytleri through canariensis;
  4. Pindalus. Reddish phylloscops: umbrovirens through laetus;
  5. Seicercus. Spectacled warblers: poliogenys through soror;
  6. Pycnosphrys: Reddish spectacled warblers: castaniceps, montis, and grammiceps;
  7. "Pycnosphrys": Fairly plain phylloscops, possibly with wingbars: cebuensis to ijimae;
  8. Acanthopneuste: Phylloscops with wingbars: xanthodryas through plumbeitarsus;
  9. Cryptigata: Capped phylloscops: ricketti to the end.

They also agree that clades 8 and 9 are sisters, as are (1)-(3) and (4)-(9). Olsson et al. (2004) has yet another topology, but the same clades appear. Previously, clades (1)-(4), and (7)-(9) were considered Phylloscopus while (5) and (6) were considered Seicercus.

I've split Japanese Leaf-Warbler, Acanthopneuste xanthodryas, and Kamchatka Leaf-Warbler, Acanthopneuste examinandus, from Arctic Warbler, Acanthopneuste borealis. Reeves et al. (2008) found substantial genetic differences between the Kamchatka/Sakhalin populations and borealis/kennicotti. They suggested separating them as “Pacific Warbler”. However, Saitoh et al. (2010) also included Japanese populations of in their analysis. They found that the Hokkaido birds grouped with those on Sakhalin Island and in Kamchatcka, but that the other Japanese populations were well-separated from the rest. Additional races are sometimes recognized, but they appear to belong to the borealis/kennicotti clade (Alström et al., 2011c). The English names are those of Alström et al. (2011c), which contains further information on the split. Note that there is a record of Kamchatka Leaf-Warbler from Amchitka Island, Alaska (Kenyon, 1961).

I've handled the Acanthopneuste trochiloides complex in an unusual way. This includes nitidus, viridanus, trochiloides, obscuratus, plumbeitarsus and S. v. ludlowli (or at least part of it). Irwin et al. (2001) found two groups. The first comprised of nitidus and viridanus, the second including trochiloides, obscuratus, and plumbeitarsus in a trichotomy. Although ludlowli had its own clade, it was too closely related to viridis to separate. This gives us several choices: lump them all, split the first group (which are more distantly related) and lump the second, or split them all. I take the last option here.

In contrast, BLI and Clements lump them all, which is defensible. Sibley and Monroe, Dickinson, IOC, and HBW take a different route. They split trochiloides and plumbeitarsus. This is not consistent with Irwin et al.'s results. It conflicts with the status of obscuratus as an equal member of the trichotomy. It also includes taxa from both groups in trochiloides.

For information concerning the recently recognized Limestone Leaf-Warbler, Cryptigata calciatilis, see Alström et al. (2010).

  1. Buff-barred Warbler, Abrornis pulcher
    Click for Phylloscopidae tree
    Click for Phylloscopidae tree
  2. Ashy-throated Warbler, Abrornis maculipennis
  3. Yellow-browed Warbler, Abrornis inornatus
  4. Hume's Leaf-Warbler, Abrornis humei
  5. Chinese Leaf-Warbler, Abrornis yunnanensis
  6. Brooks's Leaf-Warbler, Abrornis subviridis
  7. Lemon-rumped Warbler, Abrornis chloronotus
  8. Sichuan Leaf-Warbler, Abrornis forresti
  9. Gansu Leaf-Warbler, Abrornis kansuensis
  10. Pallas's Leaf-Warbler, Abrornis proregulus
  11. Eastern Bonelli's Warbler, Rhadina orientalis
  12. Western Bonelli's Warbler, Rhadina bonelli
  13. Wood Warbler, Rhadina sibilatrix
  14. Tytler's Leaf-Warbler, Phylloscopus tytleri
  15. Yellow-streaked Warbler, Phylloscopus armandii
  16. Radde's Warbler, Phylloscopus schwarzi
  17. Alpine Leaf-Warbler, Phylloscopus occisinensis
  18. Tickell's Leaf-Warbler, Phylloscopus affinis
  19. Sulphur-bellied Warbler, Phylloscopus griseolus
  20. Dusky Warbler, Phylloscopus fuscatus
  21. Smoky Warbler, Phylloscopus fuligiventer
  22. Buff-throated Warbler, Phylloscopus subaffinis
  23. Willow Warbler, Phylloscopus trochilus
  24. Mountain Chiffchaff, Phylloscopus sindianus
  25. Plain Leaf-Warbler, Phylloscopus neglectus
  26. Common Chiffchaff, Phylloscopus collybita
  27. Iberian Chiffchaff, Phylloscopus ibericus
  28. Canary Islands Chiffchaff, Phylloscopus canariensis
  29. Brown Woodland-Warbler, Pindalus umbrovirens
  30. Black-capped Woodland-Warbler, Pindalus herberti
  31. Uganda Woodland-Warbler, Pindalus budongoensis
  32. Yellow-throated Woodland-Warbler, Pindalus ruficapilla
  33. Laura's Woodland-Warbler, Pindalus laurae
  34. Red-faced Woodland-Warbler, Pindalus laetus
  35. Gray-cheeked Warbler, Seicercus poliogenys
  36. White-spectacled Warbler, Seicercus affinis
  37. Green-crowned Warbler, Seicercus burkii
  38. Gray-crowned Warbler, Seicercus tephrocephalus
  39. Whistler's Warbler, Seicercus whistleri
  40. Bianchi's Warbler, Seicercus valentini
  41. Martens's Warbler, Seicercus omeiensis
  42. Alstrom's Warbler, Seicercus soror
  43. Yellow-breasted Warbler, Pycnosphrys montis
  44. Chestnut-crowned Warbler, Pycnosphrys castaniceps
  45. Sunda Warbler, Pycnosphrys grammiceps
  46. Lemon-throated Leaf-Warbler, "Pycnosphrys" cebuensis
  47. Philippine Leaf-Warbler, "Pycnosphrys" olivaceus
  48. Eastern Crowned-Warbler, "Pycnosphrys" coronatus
  49. Ijima's Leaf-Warbler, "Pycnosphrys" ijimae
  50. Japanese Leaf-Warbler, Acanthopneuste xanthodryas
  51. Arctic Warbler, Acanthopneuste borealis
  52. Kamchatka Leaf-Warbler, Acanthopneuste examinandus
  53. Large-billed Leaf-Warbler, Acanthopneuste magnirostris
  54. Pale-legged Leaf-Warbler, Acanthopneuste tenellipes
  55. Sakhalin Leaf-Warbler, Acanthopneuste borealoides
  56. Emei Leaf-Warbler, Acanthopneuste emeiensis
  57. Green Warbler, Acanthopneuste nitidus
  58. Western Greenish Warbler, Acanthopneuste viridanus
  59. Greenish Warbler, Acanthopneuste trochiloides
  60. Dull-green Warbler, Acanthopneuste obscuratus
  61. Two-barred Warbler, Acanthopneuste plumbeitarsus
  62. Sulphur-breasted Leaf-Warbler, Cryptigata ricketti
  63. Limestone Leaf-Warbler, Cryptigata calciatilis
  64. Yellow-vented Warbler, Cryptigata cantator
  65. Western Crowned-Warbler, Cryptigata occipitalis
  66. Hartert's Leaf-Warbler, Cryptigata goodsoni
  67. Blyth's Leaf-Warbler, Cryptigata reguloides
  68. Claudia's Leaf-Warbler, Cryptigata claudiae
  69. Hainan Leaf-Warbler, Cryptigata hainanus
  70. Kloss's Leaf-Warbler, Cryptigata ogilviegranti
  71. Davison's Leaf-Warbler, Cryptigata davisoni
  72. Gray-hooded Warbler, Cryptigata xanthoschistos
  73. Mountain Leaf-Warbler, Cryptigata trivirgata
  74. Timor Leaf-Warbler, Cryptigata presbytes
  75. Negros Leaf-Warbler, Cryptigata nigrorum
  76. Sulawesi Leaf-Warbler, Cryptigata sarasinorum
  77. Island Leaf-Warbler, Cryptigata maforensis
  78. Makira Leaf-Warbler, Cryptigata makirensis
  79. Kolombangara Leaf-Warbler, Cryptigata amoena

Bulbuls

The bulbuls stand between the leaf warbler group and the warbler-babbler clade that ends the Sylvioidea. Stiller et al. (2024) estimate they split from the other Sylvioidea about 16.25 mya. Kuhl et al. (2021) put it at 20.0 mya, and Oliveros et al. at 21.2 mya.

Pycnonotidae: Bulbuls G.R. Gray, 1840

28 genera, 153 species HBW-10

Pycnonotidae tree The bulbul family Pycnonotidae has previously seen some change in composition and a reorganization.

Genera formerly considered bulbuls include Nicator, now in its own family, Nicatoridae; Bernieria and Xanthomixis, now in Bernieridae; the vanga Tylas; and the dapplethroat Arcanator. Finally, Lioptilus belongs in Sylviidae. There had been some question whether Neolestes was a bulbul or not. Zuccon and Ericson (2010b) showed that it is a bulbul.

Pasquet et al. (2001) found two clades, the African greenbuls and the mostly Asian bulbuls. They also argued in favor of restructing some genera. The more recent papers by Moyle and Marks (2006) and Johansson et al. (2007b) sampled a large fraction of the species and permitted a comprehensive phyogenetic reorganization of the family. That said, the coverage of Pycnonotinae was less satisfactory. This has been partially remedied by Oliveros (2009) and Oliveros and Moyle (2010), which add more data on Philippine bulbuls to the Moyle and Marks (2006) data set. Zuccon and Ericson (2010b) included additional genetic data in their analysis.

Several genera have been reorganized. The formerly large genus Andropadus has been split into several 4 genera, including Stelgidillas, Eurillas, and Arizelocichla. Atimastillas is split from Chlorocichla. The Red-tailed Leaf-love (formerly Pyrrhurus scandens) is included in Phyllastrephus. Criniger has been split into the African Criniger and Asian Alophoixus.

The green-headed Montane Tiny-Greenbul, Phyllastrephus albigula, has been split from the gray-headed Lowland-Tiny Greenbul, Phyllastrephus debilis. See Fuchs et al. (2011a).

Based on Manawatthana et al. (2017), Charlotte's Bulbul, Iole charlottae (inc. perplexa) has been split from Buff-vented Bulbul, Iole olivacea, and Cachar Bulbul, Iole cacharensis, has been split from Olive Bulbul, Iole viridescens. Moreover, the subspecies lekhakuni and cinnamonomeoventris have been transferred from Gray-eyed Bulbul, Iole propinqua to Olive Bulbul, Iole viridescens while myitkyinensis has moved the other way, from Olive Bulbul to Gray-eyed Bulbul.

It's still not clear whether Pycnonotus is monophyletic (see HBW-10). However, it's getting closer. For some time, Pycnonotus has been overlumped. I've placed several former Pycnonotus species in Microtarsus, which appears as a basal group in Pycnonotinae (Moyle and Marks, 2006; Oliveros, 2009; Oliveros and Moyle, 2010). I had previously split part of Pycnonotus into Euptilosus, and Brachypodius, but it now seems clear they are better merged into Microtarsus. Finally, several species often placed in Pycnonotus are separated in the restored genus Rubigula.

I've also moved the Philippine members of Ixos into Hypsipetes, which has also absorbed Microscelis. The results of Oliveros (2009) and Oliveros and Moyle (2010) also allow an alternative treatment, placing the former Ixos in a separate genus. The Indian Ocean/Malagasy Hypsipetes have been rearranged in view of Warren et al. (2005). Further, the Moheli Bulbul, Hypsipetes moheliensis, has been split from the Comoros Bulbul (now Grand Comoro Bulbul), Hypsipetes parvirostris.

I have included the Bare-faced Bulbul, Pycnonotus hualon, described by Woxvold et al. (2009). Where exactly this goes in Pycnonotus is unclear, but after reading Woxvold et al. carefully, this is my best guess. As the authors note, Pycnonotus itself needs revision.

Oliveros (2009) and Oliveros and Moyle (2010) note several subspecies that appear to deserve species rank. Two species contain two or more separate clades. The IOC has provided English names for Ashy-fronted Bulbul, Pycnonotus cinereifrons (split from Olive-winged Bulbul, Pycnonotus plumosus), Palawan Bulbul, Alophoixus frater (split from Gray-cheeked Bulbul, Alophoixus bres), Visayan Bulbul, Hypsipetes guimarasensis, and Mindoro Bulbul, Hypsipetes mindorensis (both split from Philippine Bulbul, Hypsipetes philippinus). In all 4 cases, I'm presuming that each of the new species are monotypic. Further, there are indications that Pycnonotus urostictus atricaudatus, and one or more of the subspecies of Pycnonotus goiavier and Hypsipetes amaurotis should be considered distinct species, but these cases involve additional complexities.

Aceh Bulbul, Pycnonotus snouckaerti, has been split from Orange-spotted Bulbul, Pycnonotus bimaculatus, based on Eaton & Collar (2015).

Crinigerinae: Greenbuls Bonaparte, 1854 (1831)

  1. Sombre Greenbul, Andropadus importunus
  2. Golden Greenbul, Calyptocichla serinus
  3. Slender-billed Greenbul, Stelgidillas gracilirostris
  4. Black-collared Bulbul, Neolestes torquatus
  5. Western Bearded-Greenbul, Criniger barbatus
  6. Eastern Bearded-Greenbul, Criniger chloronotus
  7. Red-tailed Greenbul, Criniger calurus
  8. White-bearded Greenbul, Criniger ndussumensis
  9. Yellow-bearded Greenbul, Criniger olivaceus
  10. Yellow-whiskered Greenbul, Eurillas latirostris
  11. Little Greenbul, Eurillas virens
  12. Plain Greenbul, Eurillas curvirostris
  13. Little Gray Greenbul, Eurillas gracilis
  14. Ansorge's Greenbul, Eurillas ansorgei
  15. Red-tailed Leaf-love, Phyllastrephus scandens
  16. Terrestrial Brownbul, Phyllastrephus terrestris
  17. Northern Brownbul, Phyllastrephus strepitans
  18. Gray-olive Greenbul, Phyllastrephus cerviniventris
  19. Pale-olive Greenbul, Phyllastrephus fulviventris
  20. Baumann's Olive-Greenbul, Phyllastrephus baumanni
  21. Toro Olive-Greenbul, Phyllastrephus hypochloris
  22. Fischer's Greenbul, Phyllastrephus fischeri
  23. Cabanis's Greenbul, Phyllastrephus cabanisi
  24. Placid Greenbul, Phyllastrephus placidus
  25. Cameroon Olive-Greenbul, Phyllastrephus poensis
  26. Icterine Greenbul, Phyllastrephus icterinus
  27. Xavier's Greenbul, Phyllastrephus xavieri
  28. Liberian Greenbul, Phyllastrephus leucolepis
  29. Sassi's Olive-Greenbul, Phyllastrephus lorenzi
  30. White-throated Greenbul, Phyllastrephus albigularis
  31. Yellow-streaked Greenbul, Phyllastrephus flavostriatus
  32. Sharpe's Greenbul, Phyllastrephus alfredi
  33. Gray-headed Greenbul, Phyllastrephus poliocephalus
  34. Montane Tiny-Greenbul, Phyllastrephus albigula
  35. Lowland Tiny-Greenbul, Phyllastrephus debilis
  36. Red-tailed Bristlebill, Bleda syndactylus
  37. Green-tailed Bristlebill, Bleda eximius
  38. Yellow-lored Bristlebill, Bleda notatus
  39. Gray-headed Bristlebill, Bleda canicapillus
  40. Yellow-throated Leaf-love, Atimastillas flavicollis
  41. Spotted Greenbul, Ixonotus guttatus
  42. Swamp Palm Bulbul, Thescelocichla leucopleura
  43. Honeyguide Greenbul, Baeopogon indicator
  44. Sjostedt's Greenbul, Baeopogon clamans
  45. Joyful Greenbul, Chlorocichla laetissima
  46. Prigogine's Greenbul, Chlorocichla prigoginei
  47. Yellow-bellied Greenbul, Chlorocichla flaviventris
  48. Falkenstein's Greenbul, Chlorocichla falkensteini
  49. Simple Greenbul, Chlorocichla simplex
  50. Shelley's Greenbul, Arizelocichla masukuensis
  51. Kakamega Greenbul, Arizelocichla kakamegae
  52. Cameroon Greenbul, Arizelocichla montana
  53. Western Greenbul, Arizelocichla tephrolaema
  54. Mountain Greenbul, Arizelocichla nigriceps
  55. Uluguru Greenbul, Arizelocichla neumanni
  56. Black-browed Greenbul, Arizelocichla fusciceps
  57. Yellow-throated Greenbul, Arizelocichla chlorigula
  58. Olive-breasted Greenbul, Arizelocichla kikuyuensis
  59. Stripe-cheeked Greenbul, Arizelocichla milanjensis
  60. Olive-headed Greenbul, Arizelocichla olivaceiceps
  61. Stripe-faced Greenbul, Arizelocichla striifacies

Pycnonotinae: Bulbuls G.R. Gray, 1840

  1. Hairy-backed Bulbul, Tricholestes criniger
  2. Hook-billed Bulbul, Setornis criniger
  3. Yellow-bellied Bulbul, Alophoixus phaeocephalus
  4. Gray-cheeked Bulbul, Alophoixus bres
  5. Palawan Bulbul, Alophoixus frater
  6. Finsch's Bulbul, Alophoixus finschii
  7. White-throated Bulbul, Alophoixus flaveolus
  8. Puff-throated Bulbul, Alophoixus pallidus
  9. Ochraceous Bulbul, Alophoixus ochraceus
  10. Yellow-browed Bulbul, Acritillas indica
  11. Sulphur-bellied Bulbul, Iole palawanensis
  12. Buff-vented Bulbul, Iole crypta
  13. Charlotte's Bulbul, Iole charlottae
  14. Gray-eyed Bulbul, Iole propinqua
  15. Cachar Bulbul, Iole cacharensis
  16. Olive Bulbul, Iole viridescens
  17. Cinereous Bulbul, Hemixos cinereus
  18. Ashy Bulbul, Hemixos flavala
  19. Chestnut Bulbul, Hemixos castanonotus
  20. Nicobar Bulbul, Ixos nicobariensis
  21. Mountain Bulbul, Ixos mcclellandii
  22. Streaked Bulbul, Ixos malaccensis
  23. Sunda Bulbul, Ixos viridescens
  24. White-headed Bulbul, Cerasophila thompsoni
  25. Northern Golden-Bulbul, Thapsinillas longirostris
  26. Seram Golden-Bulbul, Thapsinillas affinis
  27. Buru Golden-Bulbul, Thapsinillas mysticalis
  28. Visayan Bulbul, Hypsipetes guimarasensis
  29. Zamboanga Bulbul, Hypsipetes rufigularis
  30. Yellowish Bulbul, Hypsipetes everetti
  31. Philippine Bulbul, Hypsipetes philippinus
  32. Mindoro Bulbul, Hypsipetes mindorensis
  33. Streak-breasted Bulbul, Hypsipetes siquijorensis
  34. Brown-eared Bulbul, Hypsipetes amaurotis
  35. Black Bulbul, Hypsipetes leucocephalus
  36. Square-tailed Bulbul, Hypsipetes ganeesa
  37. Moheli Bulbul, Hypsipetes moheliensis
  38. Seychelles Bulbul, Hypsipetes crassirostris
  39. Grand Comoro Bulbul, Hypsipetes parvirostris
  40. Reunion Bulbul, Hypsipetes borbonicus
  41. Malagasy Bulbul, Hypsipetes madagascariensis
  42. Mauritius Bulbul, Hypsipetes olivaceus
  43. Black-and-white Bulbul, Microtarsus melanoleucos
  44. Puff-backed Bulbul, Microtarsus eutilotus
  45. Gray-headed Bulbul, Microtarsus priocephalus
  46. Black-headed Bulbul, Microtarsus atriceps
  47. Andaman Bulbul, Microtarsus fuscoflavescens
  48. Blue-wattled Bulbul, Microtarsus nieuwenhuisii
  49. Yellow-wattled Bulbul, Microtarsus urostictus
  50. Crested Finchbill, Spizixos canifrons
  51. Collared Finchbill, Spizixos semitorques
  52. Black-crested Bulbul, Rubigula flaviventris
  53. Ruby-throated Bulbul, Rubigula dispar
  54. Flame-throated Bulbul, Rubigula gularis
  55. Black-capped Bulbul, Rubigula melanictera
  56. Bornean Bulbul, Rubigula montis
  57. Spectacled Bulbul, Rubigula erythropthalmos
  58. Scaly-breasted Bulbul, Rubigula squamata
  59. Gray-bellied Bulbul, Rubigula cyaniventris
  60. Stripe-throated Bulbul, Pycnonotus finlaysoni
  61. Straw-headed Bulbul, Pycnonotus zeylanicus
  62. Striated Bulbul, Pycnonotus striatus
  63. Cream-striped Bulbul, Pycnonotus leucogrammicus
  64. Spot-necked Bulbul, Pycnonotus tympanistrigus
  65. Olive-winged Bulbul, Pycnonotus plumosus
  66. Ashy-fronted Bulbul, Pycnonotus cinereifrons
  67. Streak-eared Bulbul, Pycnonotus blanfordi
  68. Cream-vented Bulbul, Pycnonotus simplex
  69. Asian Red-eyed Bulbul, Pycnonotus brunneus
  70. Flavescent Bulbul, Pycnonotus flavescens
  71. Yellow-vented Bulbul, Pycnonotus goiavier
  72. White-browed Bulbul, Pycnonotus luteolus
  73. Bare-faced Bulbul, Pycnonotus hualon
  74. Brown-breasted Bulbul, Pycnonotus xanthorrhous
  75. Light-vented Bulbul, Pycnonotus sinensis
  76. Red-whiskered Bulbul, Pycnonotus jocosus
  77. Styan's Bulbul, Pycnonotus taivanus
  78. Common Bulbul, Pycnonotus barbatus
  79. Somali Bulbul, Pycnonotus somaliensis
  80. Dodson's Bulbul, Pycnonotus dodsoni
  81. Dark-capped Bulbul, Pycnonotus tricolor
  82. African Red-eyed Bulbul, Pycnonotus nigricans
  83. Cape Bulbul, Pycnonotus capensis
  84. White-spectacled Bulbul, Pycnonotus xanthopygos
  85. White-eared Bulbul, Pycnonotus leucotis
  86. Himalayan Bulbul, Pycnonotus leucogenys
  87. Red-vented Bulbul, Pycnonotus cafer
  88. Sooty-headed Bulbul, Pycnonotus aurigaster
  89. Aceh Bulbul, Pycnonotus snouckaerti
  90. Orange-spotted Bulbul, Pycnonotus bimaculatus
  91. Yellow-throated Bulbul, Pycnonotus xantholaemus
  92. Yellow-eared Bulbul, Pycnonotus penicillatus

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