Here are lists of the birds and mammals I saw on the trip. If the order seems a little strange, it's because it is my own interpretation of current information about what the taxonomic order should be. Asterisks indicate life birds.

A trip report is also available.

BIRDS (566)


Greater Rhea #1, #2, #3*
Great Tinamou*
Undulated Tinamou*
Southern Screamer*
White-faced Whistling-Duck
Black-bellied Whistling-Duck
Masked Duck
Muscovy Duck
Brazilian Teal*
Red-throated Piping-Guan*
Blue-throated Piping-Guan
Rusty-margined Guan*
Spix's Guan*
Dusky-legged Guan*
Chestnut-bellied Guan*
Chaco Chachalaca #1, #2, #3*
Razor-billed Curassows*
Red-billed Curassow*
Bare-faced Curassow*
Least Grebe
White-tipped Dove
Gray-fronted Dove*
Ruddy Quail-Dove
Scaled Pigeon*
Picazuro Pigeon*
Pale-vented Pigeon
Plumbeous Pigeon
Ruddy Pigeon
Rock Pigeon
Blue Ground-Dove
Long-tailed Ground-Dove*
Scaled Dove
Ruddy Ground-Dove
Picui Ground-Dove*
Sunbittern #1, #2, #3
Great Potoo#1, #2
Common Potoo
Band-tailed Nighthawk*
Blackish Nightjar*
Common Pauraque
Spot-tailed Nightjar
Ladder-tailed Nightjar
Scissor-tailed Nightjar*
Nacunda Nighthawks
White-collared Swift
Gray-rumped Swift
Pale-rumped Swift
Amazonian Swift / Mato Grosso Swift*
Lesser Swallow-tailed Swift
Saw-billed Hermit*
Rufous-breasted Hermit*
Tapajos Hermit*
Reddish Hermit*
Buff-bellied Hermit*
Scale-throated Hermit*
White-vented Violetear*
Black-eared Fairy*
White-tailed Goldenthroat*
Black-throated Mango*
Brazilian Ruby* #1, #2, #3
Long-billed Starthroat
Blue-tufted Starthroat*
Amethyst Woodstar*
Glittering-bellied Emerald*
Swallow-tailed Hummingbird*
Gray-breasted Sabrewing
Fork-tailed Woodnymph
Violet-capped Woodnymph* #1, #2
Sombre Hummingbird*
White-throated Hummingbird* #1, #2
White-chinned Sapphire*
Gilded Hummingbird / Gilded Sapphire*
Glittering-throated Emerald
Sapphire-spangled Emerald*
Guira Cuckoo*
Smooth-billed Ani
Striped Cuckoo (heard only)
Little Cuckoo
Squirrel Cuckoo
Black-bellied Cuckoo*
Dark-winged Trumpeter*
Gray-necked Wood-Rail #1, #2
Slaty-breasted Wood-Rail*
Purple Gallinule
Common Gallinule
Jabiru #1, #2, #3
Wood Stork
Magnificent Frigatebird
Brown Booby
Neotropic Cormorant
Green Ibis
Bare-faced Ibis #1, #2
Plumbeous Ibis* #1, #2
Buff-necked Ibis
Roseate Spoonbill
Rufescent Tiger-Heron #1, #2
Boat-billed Heron #1, #2
Black-crowned Night-Heron
Cattle Egret
Great Egret
Cocoi Heron #1, #2, #3, #4, #5, #6
Striated Heron
Agami Heron #1, #2
Whistling Heron
Capped Heron
Snowy Egret
Little Blue Heron
Pied Lapwing / Pied Plover*
Southern Lapwing
Wattled Jacana
Solitary Sandpiper
Black Skimmer
Yellow-billed Tern
Large-billed Tern* #1, #2
Royal Tern
South American Tern*
Kelp Gull*
Turkey Vulture
Lesser Yellow-headed Vultures
Greater Yellow-headed Vulture #1, #2
Black Vulture
King Vulture
Pearl Kite*
Swallow-tailed Kite
Crested Eagle*
Black Hawk-Eagle
Plumbeous Kite
Black-collared Hawk
Crane Hawk
Snail Kite: #1, #2
Savanna Hawk #1, #2
Great Black-Hawk
Roadside Hawk #1, #2
White-tailed Hawk
Gray Hawk
Short-tailed Hawk
Common Barn-Owl
Burrowing Owl
Ferruginous Pygmy-Owl
Striped Owl
Tropical Screech-Owl
Crested Owl (heard only)
Great Horned Owl #1, #2
Black-throated Trogon
Black-tailed Trogon
Amazonian (Violaceous) Trogon*
Surucua Trogon*
Blue-crowned Trogon
Rufous-capped Motmot*
Ringed Kingfisher
Amazon Kingfisher
Green Kingfisher #1, #2
Green-and-rufous Kingfisher
American Pygmy Kingfisher
Three-toed Jacamar*
Brown Jacamar*
Paradise Jacamar*
Bronzy Jacamar*
Blue-cheeked Jacamar / Blue-necked Jacamar*
Rufous-tailed Jacamar
Crescent-chested Puffbird*
Rufous-necked Puffbird*
Striolated Puffbird*
White-eared Puffbird* #1, #2
Swallow-winged Puffbird / Swallow-wing
White-fronted Nunbird
Black-fronted Nunbird
Spotted Puffbird*
Brown-banded Puffbird*
Pied Puffbird*
White-necked Puffbird
Black-girdled Barbet*
Toco Toucan* #1, #2
White-throated Toucan
Channel-billed Toucan
Lettered Aracari*
Red-necked Aracari*
Curl-crested Aracari*
Chestnut-eared Aracari
Gould's Toucanet*
Spot-billed Toucanet*
White-barred Piculet*
White-wedged Piculet*
Yellow-throated Woodpecker*
White-browed Woodpecker / Yellow-browed Woodpecker*
Green-barred Woodpecker*
Campo Flicker*
Lineated Woodpecker
Pale-crested Woodpecker*
Blond-crested Woodpecker*
Cream-colored Woodpecker
Ringed Woodpecker*
Red-necked Woodpecker*
Crimson-crested Woodpecker
White Woodpecker*
Yellow-tufted Woodpecker
Checkered Woodpecker*
Little Woodpecker
Red-stained Woodpecker*
Yellow-eared Woodpecker*
Red-legged Seriema*
Laughing Falcon
Barred Forest-Falcon
Southern Caracara / Southern Crested Caracara*
Black Caracara
Yellow-headed Caracara
American Kestrel
Aplomado Falcon
Orange-breasted Falcon*
Bat Falcon
Dusky-billed Parrotlet* #1, #2
Monk Parakeet #1, #2
Plain Parakeet*
Yellow-chevroned Parakeet* #1, #2
Golden-winged Parakeet*
Scaly-headed Parrot*
Blue-headed Parrot
Orange-winged Parrot / Orange-winged Amazon
Kawall's Parrot / Kawall's Amazon*
Blue-fronted Parrot / Turquoise-fronted Amazon*
Red-fan Parrot*
White-bellied Parrot*
Maroon-bellied Parakeet*
Crimson-bellied Parakeet*
Santarem Parakeet*
Hyacinth Macaw* #1, #2, #3, #4, #5, #6
Blue-winged Macaw*
Yellow-collared Macaw / Golden-collared Macaw*
Blue-and-yellow Macaw #1, #2
Scarlet Macaw
Red-and-green Macaw*
Chestnut-fronted Macaw
Black-hooded Parakeet / Nanday Parakeet* #1, #2
White-eyed Parakeet
Peach-fronted Parakeet*


Dwarf Tyrant-Manakin*
Pin-tailed Manakin*
Helmeted Manakin*
Swallow-tailed Manakin / Blue Manakin*
Snow-capped Manakin*
Flame-crowned Manakin / Flame-crested Manakin*
White-bearded Manakin*
White-crowned Manakin*
Red-headed Manakin*
Hooded Berryeater*
Amazonian Umbrellabird
Spangled Cotinga
Black-and-gold Cotinga*
Gray-winged Cotinga*
Screaming Piha*
Bare-throated Bellbird*
Bare-necked Fruitcrow
Pompadour Cotinga*
Whiskered Flycatcher / Whiskered Myiobius*
Cinereous Mourner*
Thrush-like Schiffornis*
Greenish Schiffornis*
Masked Tityra
White-naped Xenopsaris*
Chestnut-crowned Becard*
Black-capped Becard*
White-winged Becard
Crested Becard*
White-crested Spadebill*
Southern Antpipit*
Sepia-capped Flycatcher*
Ochre-bellied Flycatcher
Mottle-cheeked Tyrannulet*
Serra do Mar Tyrannulet*
Yellow-olive Flycatcher / Yellow-olive Flatbill
Gray-crowned Flycatcher / Gray-crowned Flatbill*
Spotted Tody-Flycatcher*
Gray-headed Tody-Flycatcher / Yellow-lored Tody-Flycatcher*
Common Tody-Flycatcher
Ochre-faced Tody-Flycatcher*
Rusty-fronted Tody-Flycatcher*
Drab-breasted Pygmy-Tyrant / Drab-breasted Bamboo-Tyrant*
Helmeted Pygmy-Tyrant*
Eared Pygmy-Tyrant*
Eye-ringed Tody-Tyrant*
Stripe-necked Tody-Tyrant*
Pearly-vented Tody-Tyrant*

Cliff Flycatcher
Tawny-crowned Pygmy-Tyrant
Plain Tyrannulet / Plain Inezia*
Amazonian Tyrannulet / Amazonian Inezia*
Slender-footed Tyrannulet*
Southern Beardless-Tyrannulet
White-lored Tyrannulet*
Rough-legged Tyrannulet*
Gray-capped Tyrannulet*
Suiriri Flycatcher*
Yellow Tyrannulet
Planalto Tyrannulet*
Yellow-crowned Tyrannulet*
Gray Elaenia*
Forest Elaenia
Greenish Elaenia
Plain-crested Elaenia #1, #2
Highland Elaenia*
Yellow-bellied Elaenia
White-crested Tyrannulet*
Gray-hooded Attila*
Large-headed Flatbill / Bamboo Flatbill*
Dusky-tailed Flatbill*
Rufous Casiornis*
Dusky-capped Flycatcher
Short-crested Flycatcher
Brown-crested Flycatcher
Piratic Flycatcher
Lesser Kiskadee
Great Kiskadee
Cattle Tyrant #1, #2, #3
Boat-billed Flycatcher
Sulphury Flycatcher*
Streaked Flycatcher
Rusty-margined Flycatcher
Social Flycatcher
Fork-tailed Flycatcher
Tropical Kingbird
Long-tailed Tyrant
Vermilion Flycatcher
Black-backed Water-Tyrant*
Masked Water-Tyrant* #1, #2
White-headed Marsh-Tyrant
Shear-tailed Gray Tyrant*
Streamer-tailed Tyrant*
Bran-colored Flycatcher*
Drab Water Tyrant
Fuscous Flycatcher*
Blue-billed Black-Tyrant*
Crested Black-Tyrant*
Velvety Black-Tyrant*
Yellow-browed Tyrant*
Gray Monjita*
White-rumped Monjita* #1, #2
Rufous Gnateater*
Chestnut-belted Gnateater*
Black-cheeked Gnateater*
Streak-capped Antwren*
Dot-winged Antwren
White-fringed Antwren
Rusty-backed Antwren*
Pygmy Antwren*
Sclater's Antwren*
Amazonian Streaked-Antwren*
Plain-throated Antwren*
Star-throated Antwren*
White-flanked Antwren*
Unicolored Antwren*
Saturnine Antshrike*
Cinereous Antshrike*
Spot-breasted Antvireo*
Plain Antvireo
Rufous-backed Antvireo*
Large-billed Antwren*
Rufous-winged Antwren*
Great Antshrike
Spot-backed Antshrike*
Large-tailed Antshrike*
Glossy Antshrike*
Barred Antshrike
Rufous-capped Antshrike*
Rufous-winged Antshrike*
Chestnut-backed Antshrike*
Plain-winged Antshrike*
Natterer's Slaty-Antshrike*
Planalto Slaty-Antshrike*
Variable Antshrike*
Amazonian Antshrike*
Band-tailed Antbird*
Spot-backed Antbird
Dot-backed Antbird
White-backed Fire-eye*
White-browed Antbird*
Black-faced Antbird*
Scale-backed Antbird*
Bare-eyed Antbird*
Gray Antbird*
Mato Grosso Antbird*
Manu Antbird*
Spix's Warbling-Antbird*
Ferruginous Antbird*
Bertoni's Antbird*
Rufous-tailed Antbird*
Ochre-rumped Antbird*
Scaled Antbird*
Striated Antbird*
Slaty Bristlefront*
Rufous-capped Antthrush*
Black-faced Antthrush
Such's Antthrush / Cryptic Antthrush*
Rufous-tailed Antthrush*
Rufous-breasted Leaftosser*
Olivaceous Woodcreeper
Plain-brown Woodcreeper
Strong-billed Woodcreeper
White-throated Woodcreeper*
Great Rufous Woodcreeper*
Long-billed Woodcreeper*
Planalto Woodcreeper*
Lesser Woodcreeper*
(Dusky-billed) Lafresnaye's Woodcreeper
Straight-billed Woodcreeper
Black-billed Scythebill*
Red-billed Scythebill
Narrow-billed Woodcreeper*
Scaled Woodcreeper*
Streaked Xenops
Point-tailed Palmcreeper*
Chestnut-winged Hookbill*
Para Foliage-gleaner*
Buff-browed Foliage-gleaner*
White-collared Foliage-gleaner*
Sharp-billed Treehunter*
Pale-browed Treehunter*
Rufous-rumped Foliage-gleaner
Buff-fronted Foliage-gleaner*
Wing-banded Hornero / Band-tailed Hornero* #1, #2
Pale-legged Hornero
Rufous Hornero*
Sharp-tailed Streamcreeper*
Rufous-fronted Thornbird
Greater Thornbird*
Orange-eyed Thornbird*
Itatiaia Spinetail*
Rufous Cacholote / Gray-crested Cacholote*
Rusty-backed Spinetail
Pallid Spinetail*
Chotoy Spinetail* #1, #2, #3
Yellow-chinned Spinetail
Rufous-capped Spinetail*
Spix's Spinetail*
Cinereous-breasted Spinetail*
White-lored Spinetail*
Slaty-capped Shrike-Vireo*
Rufous-browed Peppershrike
Rufous-crowned Greenlet*
Lemon-chested Greenlet*
Ashy-headed Greenlet*
Dusky-capped Greenlet*
Red-eyed Vireo
Purplish Jay*
Curl-crested Jay*
White-rumped Swallow*
White-winged Swallow
White-banded Swallow
White-thighed Swallow*
Blue-and-white Swallow
Southern Rough-winged Swallow
Brown-chested Martin
Gray-breasted Martin
Black-capped Donacobius
Masked Gnatcatcher*
Tooth-billed Wren*
Southern House-Wren
Thrush-like Wren*
Buff-breasted Wren
Fawn-breasted Wren*
Long-billed Wren*
Moustached Wren*
Chalk-browed Mockingbird*
Yellow-legged Thrush*
Pale-breasted Thrush*
Rufous-bellied Thrush* #1, #2
Creamy-bellied Thrush*
White-necked Thrush
Common Waxbill*
House Sparrow
Yellowish Pipit*
Blue-naped Chlorophonia*
Purple-throated Euphonia*
Violaceous Euphonia*
Thick-billed Euphonia
Golden-bellied Euphonia / White-lored Euphonia*
Orange-bellied Euphonia
Chestnut-bellied Euphonia*
Hooded Siskin*
Red-billed Pied Tanager*
Flavescent Warbler*
White-browed Warbler / White-rimmed Warbler*
Golden-crowned Warbler*
White-bellied (Golden-crowned) Warbler
Tropical Parula
Giant Cowbird
Shiny Cowbird
Scarlet-headed Blackbird*
Chopi Blackbirds: #1, #2, #3*
Unicolored Blackbird*
Bay-winged Cowbird / Baywing*
Chestnut-capped Blackbird*
Red-rumped Cacique*
Yellow-rumped Cacique
Solitary Black Cacique / Solitary Cacique*
Crested Oropendola
Orange-backed Troupial
Variable Oriole*
Grassland Sparrow
Saffron-billed Sparrow*
Pectoral Sparrow*
Rufous-collared Sparrow
Red-crowned Ant-Tanager*
Blue-black Grosbeak*
Yellow-shouldered Grosbeak*
Black-throated Saltator*
Grayish Saltator #1, #2
Green-winged Saltator*
Buff-throated Saltator
Thick-billed Saltator*
Bay-headed Tanager (heard only)
Turquoise Tanager
Paradise Tanager
Green-headed Tanager*
Red-necked Tanager*
Brassy-breasted Tanager*
Blue-gray Tanager
Sayaca Tanager*
Azure-shouldered Tanager*
Palm Tanager
Golden-chevroned Tanager*
Masked Tanager*
Burnished-buff Tanager
Diademed Tanager*
White-banded Tanager / Shrike-like Tanager*
Black-faced Tanager
Cinnamon Tanager*
Red-crested Cardinal*
Red-capped Cardinal*
Yellow-billed Cardinal* #1, #2, #3
Swallow Tanagers*
Black-faced Dacnis
Yellow-bellied Dacnis
Blue Dacnis
White-rumped Tanager*
Orange-headed Tanager*
Bay-chested Warbling-Finch*
Hooded Tanager
Green Honeycreeper
Guira Tanager
Yellow-backed Tanager*
Blue-black Grassquit
Ruby-crowned Tanager*
White-lined Tanager
Brazilian Tanager*
Silver-beaked Tanager
Flame-crested Tanager*
Pileated Finch / Gray Pileated-Finch
Red-crested Finch / Red Pileated-Finch*
Gray-headed Tanager
Black-goggled Tanager*
White-winged Shrike-Tanager*
Chestnut-bellied Seed-Finch
Plumbeous Seedeater*
Rusty-collared Seedeater*
Double-collared Seedeater*
White-bellied Seedeater*
Chestnut-vented Conebill
Saffron Finch #1, #2, #3, #4
Olive-green Tanager*

Multiple Birds, Nests

Pantanal Waders
Herons at Dusk
Monk Parakeet Nests
Black-hooded & Peach-fronted Parakeets
Kiskadees and Woodpecker
Hornero Nests
Thornbird Nest

Mammals (18)

Bats are not yet included. The order of species is based on recent research concerning mammal phylogeny.

Maned Three-toed Sloth, Bradypus torquatus*
Nine-banded Armadillo, Dasypus novemcinctus
Collared Peccary, Pecari tajacu
Red Brocket Deer, Mazama americana
Brazilian Tapir, Tapirus terrestris
Crab-eating Fox, Cerdocyon thous
South American Coati, Nasua nasua*
Giant Otter, Pteronura brasiliensis*, #1, #2
Proboscis Bat, Rhynchonycteris naso
Sac-winged Bat sp., Saccopteryx sp.
Greater Bulldog Bat, Noctilio leporinus
Pallas's Long-tongued Bat, Glossophaga soricina*
Red-handed Howler Monkey, Alouatta belzebul (heard only)
Black Howler Monkey, Alouatta caraya*
White-Whiskered Spider Monkey, Ateles marginatus*
Tufted Capuchin, Cebus apella*
Black-striped Capuchin, Cebus libidinosus*
Brazilian Rabbit, Sylvilagus brasiliensis
Brazilian (Guianan) Squirrel, Sciurus aestuans*
Paca, Cuniculus paca
Azara's Agouti, Dasyprocta azarae*
Red-rumped Agouti, Dasyprocta leporina*
Capybara, Hydrochaeris hydrochaeris

Other critters

Testudines: Turtles & Tortoises

Geoffroy's Side-necked Turtle, Phrynops geoffroanus
Yellow-footed Tortoise, Chelonoidis denticulata

Squamata: Snakes & Lizards

Common Ameiva, Ameiva ameiva
Black-and-white Tegu Lizard, Tupinambis merianae
Amazon Lava Lizard, Tropidurus torquatus
Anaconda, Eunectes murinus
Banded Cat-eyed Snake, Leptodeira annulata

Crocodilia: Crocodilians

Dwarf Caiman, Paleosuchus palpebrosus
Spectacled Caiman, Caiman crocodilus
Yacare Caiman, Caiman yacare, #1, #2, #3, #4