Basal Passeroidea

Core Passeroidea


Tyranni: Suboscines

Passeri: Oscines


Muscicapoidea and allies

The 46 Orders














Icteroidae Brehm, 1828

If you're paying attention to the names of the higher-level groups, this one may leave you scratching your head. What's Icteroidae? Is it a typo for Icteroidea?

It is not a typo, but is the ending for an epifamily, a rarely used group between family and superfamily. I've resorted to it here to emphasize that the following families are more closely related to each other than to anything else.

Sibley and Monroe (1990) used the name “Emberizinae” for the remaining species. They were using an absolute measure of genetic distance to separate families and other groups. By the time you get here, everything is closely enough related to fit in a single Sibley-Monroe subfamily. In fact, even all of the nine-primaried oscines end up in the same family!

I use terms such as order and family in an ordinal, not cardinal, fashion. This lets me refer to the Sibley-Monroe “Emberizinae” as an epifamily. However, the correct name is Icteroidae (Vigors, 1825), not Emberizoidae (Brehm, 1828). This gives me a little more headroom, but as you will see below, I'm still running out of levels.

All but two of the families in Icteroidae are restricted to New World. The exceptions are Calcariidae and Emberizidae. The latter may have its origin in the New World, but is restricted to the Old World.

The topology of the remaining Icteroidae families is still unclear. Klicka et al. (2003) had Parulidae sister to Arremonidae, while Barker et al. (2013) give a species tree showing Emberizidae and Arremonidae as sisters, but their concatenated tree shows Emberizidae basal and Arremonidae sister to the blackbird/warbler clade. Klicka et al. (2007) has Emberizidae and Arremonidae sister, with Icteridae sister to that, and Parulidae sister to the rest.

The fact that Barker et al.'s (2013) study was unable to find definitive answers as to how these families are related was not due to lack of trying. They analyzed DNA from 6 genes and every genus in Icteroidae (genera as given by the Howard-Moore checklist (Dickinson, 2003)). Although the standard families were well-supported, this cannot be said about their relationships or inner structure. Moreover, a number of taxa did not consistently fall into any of the standard Icteroidae families: Rhodinocichla, Icteria, Teretistris, Zeledonia, Phaenicophilidae, and Mitrospingidae.

The basic problem seems to be very rapid diversification. All of Icteroidae, about 8% of all bird species, share a recent common ancestor. Barker et al. estimate this ancestor lived roughly 15 million years ago and some of the families date from a mere 10 million years ago. With such recent diversification, issues such as speciation before lineages can sort out make it particularly difficult to reconstruct the actual species tree from inconsistent gene trees. More data will be needed to completely sort this out, and it will probably not happen quickly.

Icteroidae tree
TiF Icteroidae Phylogeny

The TiF list now uses a compromise phylogeny based on the two Barker et al. (2013) estimates using all data. The Calcariidae are basal. The relationship between the Emberizidae and Arremonidae is left unresolved. The remaining Icteroidae are arranged in two groups, a clade containing the blackbirds and warblers and some Antillean Tanagers, and a thraupid clade consisting of the cardinals, tanagers, and Mitrospingidae. The exact limits of most of these families have been the subject of a lot of research. Although we mostly know the boundaries of these families, we are still uncertain about where a few genera go. Besides the aforementioned Rhodinocichla, the genera Teretistris and Zeledonia are not currently assigned to families, although Teretistris and Zeledonia belong to the blackbird/warbler clade.

Calcariidae: Longspurs, Snow Buntings Ridgway, 1901

3 genera, 6 species Not HBW Family

Calcariidae tree
Calcariidae tree

Genetic evidence shows the longspurs and snow buntings are not part of Emberizidae (buntings) or Arremonidae (American sparrows). Rather, they should be placed in their own family, Calcariidae, which is a basal branch in the Icteroidae (Klicka et al., 2003). It was also necessary to revive Rhynchophanes for McCown's Longspur in order to avoid lumping the whole family in one genus. Putting snow buntings and longspurs in one genus just didn't seem right.

The structure as found by Klicka et al. (2003) is that Rhynchophanes and Plectrophenax are sister genera, and the two together are sister to Calcarius. Maley and Wink (2010) found that McKay's Bunting, Plectrophenax hyperboreus, has only recently separated from Snow Bunting, Plectrophenax nivalis, apparently during the last glaciation. There's evidence that its population was once much larger, possibly being widespread in Beringia.

Rhodinocichlidae: Rosy Thrush-Tanager

1 genus, 1 species

The classification of the Thrush-Tanager has long been an issue. Originally considered an ovenbird by Lesson (Furnarius roseus), Hartlaub placed it in its own genus, Rhodinicichla in 1853. Since then, its classification has varied. It has been considered a type of warbler, wren, or thrasher, with names such as thrush-warbler or wren-warbler. It was eventually recognized as a nine-primaried oscine of some sort. Clark (1913) argued that it was a tanager due to similiarities with Mitrospingus, but we don't consider Mitrospingus to be a tanager. Skutch (1962) suggested it might need its own family. Eisenmann (1962) replied with an analysis meant to convince us that Rhodinocichla is a tanager. In retrospect, Eisenmann's reply is unconvincing due to the fact that many of possibly related birds he mentions are no longer part of Tharupidae.

Barker et al. (2013) is the only paper that analyzes DNA from the Rosy Thrush-Tanager. Their results are rather inconclusive. The species tree places it sister to Calcariidae, although this is rather hard to swallow. The concantenated gene tree puts it sister to the remaining Icteroidae. The mitochondrial tree puts it sister to Thraupidae. Support for any of these options is weak and I was intending to leave it unclassified even though Barker et al. suggest treating it as a separate family, Rhodinocichlidae. The discussions in Clark (1913), Eisenmann (1962), and Skutch (1962) convinced me this really is a unique taxon, and that it deserves family status.

The thrush-tanager's range is somewhat disjoint. Ridgway (1902) considered the Mexican race a distinct species. The Central and South American forms are distinct, and may also be separate species.

Buntings and Sparrows

Emberizidae: Buntings Brehm, 1828

15 genera, 44 species HBW-16

The name Emberizidae is often attributed to Vigors (1825), but he did not establish the term. The attribution seems to be based on his use of a plural form of Emberiza (Emberizae), which was not used as a family-group name (Olson, 1995). It is sometimes cited as Brehm, 1831. However, Laurent Raty found an earlier use by Brehm (1828 in Isis von Oken vol. 28, Heft XII, p. 1278). Although Brehm attributes it to Vigors, there is no citation. In 1831, in his “Handbuch der Naturgeschichte aller Vogel Deutschlands”, Brehm attributed it to Vigors in the text (p.289), but to Boie in the index (p.1049). I'm guessing these all refer to the use of Emberizae mentioned above, so I attribute Emberizidae to Brehm.

Emberizidae tree
Click for species-level tree
for Emberizidae

There is some uncertainty concerning whether the Emberiza buntings and American sparrows are even sister clades. For example, Klicka et al. (2003) has Emberizidae embedded in the Icteridae while Arremonidae is sister to Parulidae. That uncertainty, together with the fact that they are long-separated, is why I have them in separate families.

Taxonomy within Emberizidae now follows Päckert et al. (2020b), replacing Päckert et al. (2015). The major clades are similar to those found by Alström et al. (2008a) and the adjustments based on Ren et al. (2014) and Schweizer and Kirwan (2014). However, the arrangement of the clades is a bit different. Although the clades are the same in the two Päckert et al. papers, their arrangement differs.

Dickinson and Christidis (H&M-4, 2014) treated the major clades as separate genera. With better timing data, I've now gone well beyond that. They have become subfamilies. Of them, only Emberizinae has a name under ICZN rules. I'm using the informal terms Melophinae, Fringillariinae, and Schoeniclinae for the other three. These subfamilies have the same composition as the same clades previously had. However, their order has changed.

New Emberizid genera: With genera becoming subfamilies, more genera are in order. The generic divisions are based on three principles. They must be (1) based on the phylogeny, (2) roughly 5-10 million years old, and (3) form groups that are as coherent as possible. This involved adding 11 genera. Two lack names, and have been given temporary designations in quotes. Here are the new genera:

The genera are in general agreement with the morphological groups of Byers et al. (1995). Their Yellowhammer group is genus Emberiza; the Rock Bunting group is Cia; the Ortolan Bunting group is Glycyspina; the Golden-breasted bunting group is Polymitra the House Bunting group is a clade within Fringillaria. Not all of Byers et al.'s species groups are supported.

Sharpe's Bunting: Sharpe's Bunting, Emberiza yunnanensis (probably including khamensis), was previously split from Godlewski's Bunting, Emberiza godlewskii (see Päckert et al., 2015). There didn't seem to be historical English name to press into service. I chose Sharpe as he named yunnanensis. I've added the second name Yunnan Bunting based on the HBW Illustrated Checklist, even though it seems a little limiting because the range extends into Sichuan, and via khamensis onto the Tibetian plateau.

Gosling's Bunting: Gosling's Bunting, Fringillaria goslingi, was previously split from Cinnamon-breasted Bunting, Fringillaria tahapisi. See Olsson et al. (2013b).

Emberizidae (Buntings) Species List Brehm, 1828

"Fringillariinae" Informal

  1. Cabanis's Bunting, Polymitra cabanisi
  2. Golden-breasted Bunting, Polymitra flaviventris
  3. Somali Bunting, Polymitra poliopleura
  4. Cape Bunting, Fringillaria capensis
  5. Socotra Bunting, Fringillaria socotrana
  6. House Bunting, Fringillaria sahari
  7. Striolated Bunting, Fringillaria striolata
  8. Lark-like Bunting, Fringillaria impetuani
  9. Gosling's Bunting, Fringillaria goslingi
  10. Cinnamon-breasted Bunting, Fringillaria tahapisi

Emberizinae Brehm, 1828

  1. Corn Bunting, Miliaria calandra
  2. Chestnut-eared Bunting, Spina fucata
  3. Tibetan Bunting, "Emberiza" koslowi
  4. Jankowski's Bunting, Cia jankowskii
  5. Rock Bunting, Cia cia
  6. Sharpe's Bunting / Yunnan Bunting, Cia yunnanensis
  7. Meadow Bunting, Cia cioides
  8. Godlewski's Bunting, Cia godlewskii
  9. Gray-necked Bunting, Glycyspina buchanani
  10. Cinereous Bunting, Glycyspina cineracea
  11. Ortolan Bunting, Glycyspina hortulana
  12. Cretzschmar's Bunting, Glycyspina caesia
  13. Cirl Bunting, Emberiza cirlus
  14. White-capped Bunting, Emberiza stewarti
  15. Yellowhammer, Emberiza citrinella
  16. Pine Bunting, Emberiza leucocephalos

"Melophinae" Informal

  1. Brown-rumped Bunting, "Melophus" affinis
  2. Crested Bunting, Melophus lathami
  3. Black-headed Bunting, Granativora melanocephala
  4. Red-headed Bunting, Granativora bruniceps

"Schoeniclinae" Informal

  1. Yellow-throated Bunting, Cristemberiza elegans
  2. Slaty Bunting, Latoucheornis siemsseni
  3. Ochre-rumped Bunting / Japanese Reed-Bunting, Schoeniclus yessoensis
  4. Reed Bunting / Common Reed-Bunting, Schoeniclus schoeniclus
  5. Pallas's Bunting / Pallas's Reed-Bunting, Schoeniclus pallasi
  6. Rustic Bunting, Orospina rustica
  7. Little Bunting, Orospina pusilla
  8. Yellow-breasted Bunting, Orospina aureolus
  9. Chestnut Bunting, Orospina rutila
  10. Black-faced Bunting, Orospina spodocephala
  11. Yellow Bunting, Orospina sulphurata
  12. Yellow-browed Bunting, Orospina chrysophrys
  13. Tristram's Bunting, Orospina tristrami
  14. Gray Bunting, Orospina variabilis

Arremonidae: American Sparrows Cabanis & Heine, 1850-51

30 genera, 143 species HBW-16 (split)

The name Arremonidae (Lafresnaye 1842) has priority over the currently used Passerellidae (Cabanis and Heine 1850-51). I had previously used Passerellidae since Bock (1994) incorrectly attributed Arremonidae to Sundevall 1872, which would give Passerellidae priority. However, Bock missed Lafresnaye's use of Arremoninae as a subfamily name.

Arremonidae tree
Click for genus-level tree
for Arremonidae


The sparrow family has been carved up in the ongoing reorganization of the nine-primaried oscines. Most of the Neotropical finches have joined the tanagers. The Gubernatrix and Paroaria cardinals have been moved to the tanagers. The Neotropical finches that remain are the Atlapetes brushfinches, as well as the Large-footed, Yellow-thighed, and Yellow-green Finches (Pezopetes and Pselliophorus. In return, the sparrows gain the genus Chlorospingus (excepting flavovirens) and the Tanager Finch, Oreothraupis arremonops. These changes alone would reduce the family to about half its former size, but there is more. They also lose the Emberiza.

Eight Clades in Seven Tribes

What remains is a somewhat more homogeneous family and it is possible to give it a coherent organization. Everything seems to fall into 8 clades, most of which I've treated at the tribe level (I have united two of them). I haven't used subfamilies partly because I don't think it's clear yet how the tribes fit together, and because the divisions are not particularly deep (7-9 million years ago according to Barker et al., 2015).

Although their correct arrangement was previously unclear, Bryson et al. (2016) mostly resolves the order of the tribes in Arremonidae. The position of Chlorospingini is a little uncertain, but probably correct.

We will consider each of the tribes in turn: Spizellini, Chlorospingini, Ammodramini, Arremonini, Passerellini, Passerculini, and Pipilonini.


As shown by Carson and Spicer (2003), this clade includes most of the Spizella sparrows. The genus Amphispiza is restricted to the Five-striped Sparrow and the Black-throated Sparrow, but does not include the sage sparrows which have been moved to Artemisiospiza in Passerculini Informal. The arrangement within Spizella now follows Barker et al. (2015) instead of Canales-Del Castillo et al. (2010) and Klicka et al. (2014), who both had Brewer's Sparrow somewhat surprisingly sister to Worthen's Sparrow. Having Field Sparrow sister to Brewer's is only a bit less surprising, but makes more biogeographic sense. Presumably, the similarities between Field and Worthen's Sparrows derive from their common ancestor. The Timberline Sparrow, Spizella breweri taverneri, is sometimes thought to be a separate species. Although there is some differentiation between it and Brewer's Sparrow, it may be best thought of as an incipient species within Brewer's Sparrow. See Klicka et al. (1999, 2014) and Barker et al. (2015).

Chlorospingini consists of Chlorospinus and the Tanager Finch (Oreothraupis) Although it had been suggested that the Tanager Finch belongs with the Atlapetes Brushfinches, Barker et al. (2013) found it sister to Chlorospingus. The treatment of the Common Chlorospingus complex is based on García-Moreno et al. (2004), Sánchez-González et al. (2007), Bonaccorso et al. (2008), and Weir et al. (2008). This involves breaking up the Common Chlorospingus into 9 species. Four of these are primarily Mexican: White-fronted Chlorospingus, C. albifrons; Wetmore's Chlorospingus, C. wetmorei; Brown-headed Chlorospingus, C. ophthalmicus; and Dwight's Chlorospingus, C. dwighti. The color plate in Sánchez-González et al. (2007) illustrates these forms as well as Dusky-headed Chlorospingus, C. postocularis. Other taxa that appear to deserve species status are the Central American Dotted Chlorospingus, C. punctulatus; the Buff-breasted Chlorospingus, C. cinereocephalus, of Peru; and the Yellow-breasted Chlorospingus, C. flavopectus. The list of subspecies below presumes that Isler and Isler's (1987) flavopectus group stays together, although only two of its subspecies were analyzed by Weir et al. (2008). I've also presumed that Isler and Isler's venezuelanus group stays together. Weir found that some of them group with several more southern races. For the present, it seems reasonable to put the whole lot of them in a single species and call it Common Chlorospingus, C. venezuelanus. There may still be additional species hiding within the Common Chlorospingus complex.

The Common Chlorospingus Complex
Species Subspecies Location

Wetmore's Chlorospingus wetmorei Mexico: Sierra de Tuxtla
White-fronted Chlorospingus albifrons, persimilis Mexico: Sierra Madre del Sur
Brown-headed Chlorospingus ophthalmicus Mexico: Sierra Madre Oriental
Dwight's Chlorospingus dwighti Mexico: Chiapas, Caribbean slope
Dusky-headed Chlorospingus postocularis, honduratius Chiapas, Pacific slope; Guatemala, Honduras, El Salvador
Dotted Chlorospingus punctulatus, regionalias, ‘novicius’* Nicaragua, Costa Rica, W. Panama
Common Chlorospingus venezuelanus*, jacqueti, falconensis*, ponsi*, eminens*, peruvianus, bolivianus, fulvigularis, argentinus E. Colombia, Venezuela, S. Peru, Bolivia, Argentina
Buff-breasted Chlorospingus cinereocephalus C. Peru
Tacarcuna Chlorospingus tacarcunae E. Panama
Pirre Chlorospingus inornatus Darién (Panama, Colombia)
Yellow-breasted Chlorospingus flavopectus*, trudis*, exitelis*, macarenae*, nigriceps*, phaeocephalus, hiaticolus Colombia, Ecuador, N. Peru
Dusky Chlorospingus semifuscus, livingstoni* W. Colombia, W. Ecuador

Subspecies based on Dickinson et al. (2003).
*An asterisk indicates taxa not sampled by Weir et al. (2008). The subspecies ‘novicius’ may be a hybrid form.


The phylogeny of Ammodramini is a particular problem. Indeed, Bryson et al.'s Figure 2B (2016) has it totally unresolved. I have followed Figure 2A which does resolve it, but with weak support. Barker et al. (2015) is similar but with Ammodrammus basal. Additionally, some genera in Ammodramini have required reorganization. Ammodramus and Aimophila have been affected the most. The papers by Klicka and Spellman (2007) and DaCosta et al. (2009) show what to do. Ammodramus itself is reduced to the Grasshopper Sparrow together with a couple of Neotropical relatives—Grassland and Yellow-browed Sparrows. These are sister to a big chunk of what was Aimophila. As the Aimophila type species has moved to Pipilonini, I have revived Audubon's 1839 name for them, Peucaea (type aestivalis). Two more of the former Aimophila are sister to Arremonops. Following DaCosta et al.'s suggestion, they take the genus name Rhyncospiza (Ridgway 1898, type stolzmanni).


Arremonini consists of a number of Neotropical sparrows. In fact, the size of this group has grown due to the splitting of Buarremon torquatus. I had merged all of these into Arremon, but the dated tree in Barker et al. (2015) has convinced me to restore the genera Lysurus and Buarremon. The basal group of 4 becomes Lysurus. Two of these were in Lysurus in H&M-3, while the other two were in Buarremon.

The tree follows Barker et al. (2015), which is similiar to Klicka et al. (2014). Previous analyses were less clear (see Cadena et al., 2007; Flórez-Rodríguez et al., 2011).

The four Lysurus species include the brunneinucha/virenticeps complex, which may actually hide a half-dozen species (Navarro-Sigüenza et al., 2007). These are followed by the Arremon sparrows. The former Stripe-headed Brushfinch, Buarremon torquatus, has been split into 8 species (Cadena et al., 2007, 2010, 2011; also see SACC proposal #468). The split of the Stripe-headed Brushfinch (torquatus group) is detailed below. The English names follows AOU's NACC and SACC

The Stripe-headed Brushfinch Complex

Species Subspecies Location

Costa Rican Brushfinch costaricensis Costa Rica, W Panama
Gray-browed Brushfinch assimilis, larensis, nigrifrons, poliophrys Andes of Venezuela, Colombia, Ecuador, Peru
Sierra Nevada Brushfinch basilicus Santa Marta Mountains
Perija Brushfinch perijanus E Colombia to W Venezuela
White-browed Brushfinch torquatus, fimbriatus, borelli extreme S Peru, Bolivia, Argentina
Black-headed Brushfinch atricapillus, tacarcunae C & E Panama, Colombian Andes
Caracas Brushfinch phaeopleurus Coastal mountains of N Venezuela
Paria Brushfinch phygas NE Venezuela


The Junco/Zonotrichia clade Passerellini is first. It is now clear that the American Tree Sparrow is not part of Spizella. Rather, it is most closely related to the Fox Sparrow, Passerella iliaca (Carson and Spicer, 2003). Slager and Klicka (2014a) established the new genus Spizelloides for it. The Passerella/Spizelloides group forms a clade with the juncos and Zonotrichia. Passerella iliaca itself remains controversial, and may end up being split into four species. The Guadalupe Junco, Junco insularis, has been split from J. hyemalis (it is actually sister to hyemalis + phaeonotus, see Klicka et al., 2014). and Baird's Junco, Junco bairdi, has been split from the Yellow-eyed Junco, Junco phaeonotus (AOS 58th Supplement). The phylogeny follows Friis et al., 2016), where Baird's Junco is not even sister to the Yellow-eyed Junco.


The Passerculini are not well-resolved by Bryson et al. (2016). I have modified Klicka et al.'s (2014) treatment to take both Bryson et al. and Barker et al. (2015) into account.

The Passerculini open with a clade containing the Vesper Sparrow and two former Amphispiza, the sage sparrows. The sage sparrows get a brand new genus name. Klicka and Spellman (2007) discovered that it is not related to the other Amphispiza. The name they proposed, Artemisospiza, did not strictly follow ICZN rules. In view of this, Klicka and Banks (2011) proposed the name Artemisiospiza (think sagebrush, Artemesia). Moreover, the AOU, after considering Cicero and Koo (2012), now treats the Sage Sparrow as two species: Bell's Sparrow, Artemisiospiza belli, and Sagebrush Sparrow, Artemisiospiza nevadensis. The situation is rather confusing and a third species may be involved.

The Striped Sparrow is next, with the remainder falling into two clades. The first consists of the “marshland” Ammodramus. As Klicka and Spellman (2007) recommend, they get the name Ammospiza.

The remaining clade is rather difficult. Klicka et al. (2014) and Barker et al. (2015) give conflicting results, and Bryson et al. (2016) only include two taxa. Taking the dating of Barker et al. (2015) into account, these should be treated as no more than two genera. Using Klicka et al.'s (2014) tree, Centronyx (Henslow's and Baird's Sparrows) has been merged into Passerculus, and Xenospiza has been merged into Melospiza. Barker et al. (2016) give a somewhat different topology, but I just don't see Baird's and Sierra Madre Sparrows as sister species, while Baird's and Henslow's sister and related to Savannah Sparrow as in Klicka et al. (2014) makes a lot of sense. Of course, that's no guarantee that it is correct!


That brings us to Pipilonini. Exactly how these genera relate is not entirely clear. The overall arrangement is based on Figure A of Byrson et al. (2016), except that I have doubts about where Pezopetes (and presumably Torreornis, based on Barker et al., 2015) goes. I'm treating it as part of a basal trichotomy, with Melozone-Aimophila-Kieneria and Atlapetes-Pipilo. Nonetheless, the position of Pezopetes and Torreornis is also uncertain. Klicka et al. (2014) had them weakly attached to the Melozone-Aimophila-Kieneria clade. Barker et al. (2015) found them in a clade sister to Pipilo.

The arrangement of Aimophila, Kieneria, and Melozone has been adjusted using information from Sandoval et al. (2017).

Previously, DaCosta et al. (2009) resolved a big chunk of the uncertainty concerning the Pipilonini. They found that the Melozone Ground-Sparrows end up in two (or three?) separate groups. Based on Baker et al. (2015) and Bryson et al. (2016), three groups in a trichotomy seems the best choice. One group is the White-eared and Prevost's Ground-Sparrows, which keep the genus name Melozone (type biarcuata). It is not clear whether they are closer to Aimophila or to Kieneria as in Barker et al. (2015) or basal to both as in Bryson et al. (2016) Figure 2B. I have based the current treatment on Sandoval et al. (2017), but some uncertainties still remain.

Based on Sandoval et al. (2017) and the HBW BirdLife Checklist (del Hoyo and Collar, 2016) I have split Gray-crowned Ground-Sparrow, Melozone occipitalis, from White-eared Ground-Sparrow, Melozone leucotis (inc. nigrior) and with the further assistance of Sandoval (2014) split Cabanis's Ground-Sparrow, Melozone cabanisi, from Prevost's Ground-Sparrow, Melozone biarcuata (inc. hartwegi).

A second group consists of the remaining Aimophila sparrows. The third group includes the brown towhees. DaCosta et al. suggest the genus name Pyrgisoma for it. The AOU proposal suggested the type of Pyrgisoma is kieneri, although Ridgway gives the type as biarcuata. Apparently, treating kieneri as type dates from a time when biarcuata was considered a subspecies of kieneri. However, when separate, kieneri becomes the type species of Kieneria (Bonaparte 1855) and biarcuata is the type of Pyrgisoma. Since biarcuata ends up in the genus Melozone, which has priority, it cannot be used. Thus Kieneria is the name used here. The brown towhees have always been considered different, and there have been suggestions they should get their own genus. That has never happened, so my best option seems to be to put them into Kieneria too.

The rest of the Pipilonini consists of the Pipilo towhees together with the Atalapetes brushfinches and allies. The extinct Bermuda Towhee, Pipilo naufragus, has been included as it seems to have survived into historical times. See Olson and Wingate (2012).

The Pselliophorus finches are embedded in Atlapetes, and I have accordingly changed their scientific names. Klicka et al. (2014) and Barker et al. (2015) present a comprehensive molecular phylogeny of Atlapetes which includes almost all of the Atlapetes species. The linear order is based on their phylogeny. One species they left out was the Black-faced Brushfinch, Atlapetes melanolaemus. Its position is based on Sánchez-González et al. (2015).

Based on Sánchez-González et al. (2015), the Choco Brushfinch, Atlapetes crassus (Colombia and Ecuador) has been split from Tricolored Brushfinch, Atlapetes tricolor (Peru), and Taczanowski's Brushfinch, Atlapetes taczanowskii (Peru), has been split from Slaty Brushfinch, Atlapetes schistaceus (Colombia, Ecuador, and Venezuela).

Based on Donegan et al. (2014a), Merida Brushfinch, Atlapetes meridae, has been split from Moustached Brushfinch, Atlapetes albofrenatus, and Black-fronted Brushfinch, Atlapetes nigrifrons, has been split from Yellow-breasted Brushfinch, Atlapetes latinuchus. A further split from A. latinuchus may be needed, but it is not yet clear how that will work.

Spizellini Baird, 1858

Chlorospingini Informal

Ammodramini: Grassland Sparrows Ridgway, 1901

Arremonini: Scrub Sparrows Sundevall, 1872

Passerellini: Juncos and allies Cabanis & Heine, 1850-51

Passerculini Informal

Pipilonini: Towhees & BrushfinchesBonaparte, 1854

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