Serra do Divisor National Park

National Park · Brazil

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Photo © Earth Science and Remote Sensing Unit, NASA Johnson Space Center

Photo © Earth Science and Remote Sensing Unit, NASA Johnson Space Center — CC0 1.0 — Source: Wikimedia Commons

Where the western Amazon meets the Andes foothills, Serra do Divisor National Park sprawls across one of South America's most biodiverse and least accessible frontiers. Spanning nearly 27,000 square kilometres across Acre state in Brazil's remotest northwest, this vast protected landscape rises from lowland rainforest into serrated ridges and montane terrain that give the park its name—the dividing range that marks the border with Peru. The park's ecological canvas is dominated by primary and secondary tropical forest, interspersed with transitional woodland and riparian corridors that follow the region's network of rivers and streams. This dramatic topography creates a mosaic of microclimates and vegetation zones, each supporting its own assemblage of wildlife. The forest canopy shelters troops of primates and small mammals adapted to arboreal life, while the understory and forest floor teem with amphibians, reptiles, and ground-dwelling mammals that thrive in the warm, humid conditions. Birds of prey patrol the skies above the canopy, while countless insectivores, frugivores, and seed-dispersers weave through the vegetation at every level—a living tapestry of predator and prey that has evolved in near-total isolation from human disturbance.

For wildlife photographers and serious naturalists, Serra do Divisor remains one of the continent's last great unknowns, precisely because so few visitors have penetrated its interior. Access is deliberate and demanding—no roads, limited accommodation, and visits only by experienced guides—which means that anyone who reaches the park is rewarded with genuine solitude and wildlife encounter. The best season for travel aligns with the drier months between June and September, when river levels drop and forest trails become passable, though the wet season brings its own spectacle of amphibian breeding choruses and migratory birds. Early mornings reward patient observers with the dawn chorus of countless songbirds, while twilight hours are prime time for nocturnal mammals and specialist hunters. Every expedition here is a scientific undertaking as much as a wildlife adventure; researchers continue to document species new to science within these boundaries, and the park's remoteness means that the full catalogue of its inhabitants remains incompletely known. For those willing to embrace genuine wilderness travel, the park offers unparalleled immersion in Amazonian ecology at its most pristine.

Yellow-rumped Cacique

Blue-grey Tanager

Thraupis episcopus

Chestnut-bellied Seedeater

Sporophila castaneiventris

Amazonian Antshrike

Thamnophilus amazonicus

Butorides striata

Coragyps atratus

Rupornis magnirostris

Paradise Tanager

Tangara chilensis

Ruddy Ground Dove

Columbina talpacoti

White-banded Swallow

Atticora fasciata

Swallow-winged Puffbird

Chelidoptera tenebrosa

Chestnut-eared Aracari

Pteroglossus castanotis

White-bearded Manakin

Manacus manacus

Black-billed Thrush

Turdus ignobilis

Thraupis palmarum

Amazon Kingfisher

Chloroceryle amazona

Lemon-throated Barbet

Eubucco richardsoni

Social Flycatcher

Myiozetetes similis

Green-backed Trogon

Ringed Kingfisher

Megaceryle torquata

Black-fronted Nunbird

Monasa nigrifrons

White-throated Toucan

Ramphastos tucanus

Cobalt-winged Parakeet

Brotogeris cyanoptera

Dusky-headed Parakeet

Aratinga weddellii

Pitangus sulphuratus

Red-headed Manakin

Ceratopipra rubrocapilla

Red-capped Cardinal

Paroaria gularis

Turquoise Tanager

Tangara mexicana

Plumbeous Antbird

Myrmelastes hyperythrus

Drab Water Tyrant

Ochthornis littoralis

Masked Crimson Tanager

Ramphocelus nigrogularis

Hoploxypterus cayanus

Pilherodius pileatus

Opisthocomus hoazin

Wedge-billed Woodcreeper

Glyphorynchus spirurus

White-flanked Antwren

Myrmotherula axillaris

Saturnine Antshrike

Thamnomanes saturninus

Striolated Manakin

Machaeropterus striolatus

Cyanocorax violaceus

Purple Honeycreeper

Cyanerpes caeruleus

Ruddy Quail-Dove

Geotrygon montana

Double-toothed Kite

Harpagus bidentatus

Slate-colored Hawk

Buteogallus schistaceus

Pulsatrix perspicillata

Bluish-fronted Jacamar

Galbula cyanescens

Falco rufigularis

Piratic Flycatcher

Legatus leucophaius

Short-crested Flycatcher

Myiarchus ferox

Bare-necked Fruitcrow

Gymnoderus foetidus

Yellow-browed Sparrow

Ammodramus aurifrons

Fork-tailed Palm Swift

Tachornis squamata

Black-bellied Cuckoo

Piaya melanogaster

Greater Yellow-headed Vulture

Cathartes melambrotus

Grey-lined Hawk

Black-banded Owl

Black-tailed Trogon

Trogon melanurus

Paradise Jacamar

Golden-green Woodpecker

Piculus chrysochloros

Rufous-backed Stipplethroat

Epinecrophylla haematonota

Fasciated Antshrike

Cymbilaimus lineatus

Peruvian Warbling Antbird

Hypocnemis peruviana

Cinnamon Attila

Attila cinnamomeus

Lipaugus vociferans

Passer domesticus

Ladder-tailed Nightjar

Hydropsalis climacocerca

White-necked Jacobin

Florisuga mellivora

Southern Lapwing

Vanellus chilensis

Yellow-tufted Woodpecker

Melanerpes cruentatus

Tropical Screech Owl

Megascops choliba

Pale-vented Pigeon

Patagioenas cayennensis

Euler's Flycatcher

Lathrotriccus euleri

Ferruginous Pygmy Owl

Glaucidium brasilianum

Lineated Woodpecker

Dryocopus lineatus

Cinereous Tinamou

Crypturellus cinereus

Grey-capped Flycatcher

Myiozetetes granadensis

Dwarf Tyrant-Manakin

Tyranneutes stolzmanni

Rusty-flanked Thrush

Turdus albicollis

Channel-billed Toucan

Ramphastos vitellinus

Plain-winged Antshrike

Thamnophilus schistaceus

Blue-headed Parrot

Pionus menstruus

Purple-throated Fruitcrow

Querula purpurata

Black-faced Antbird

Myrmoborus myotherinus

Tropical Kingbird

Tyrannus melancholicus

White-winged Swallow

Tachycineta albiventer

Short-tailed Swift

Chaetura brachyura

Southern Rough-winged Swallow

Stelgidopteryx ruficollis

Grey-rumped Swift

Chaetura cinereiventris

Silver-beaked Tanager

Ramphocelus carbo

Blue-black Grassquit

Volatinia jacarina

Smooth-billed Ani

Sapphire-spangled Emerald

Chionomesa lactea

Xenopipo atronitens

Buff-throated Woodcreeper

Xiphorhynchus guttatus

American Pygmy Kingfisher

Chloroceryle aenea

Cairina moschata

Laughing Falcon

Herpetotheres cachinnans

Crotophaga major

Swallow Tanager

Tersina viridis

Nyctidromus albicollis

Fork-tailed Woodnymph

Thalurania furcata

Common Squirrel Cuckoo

Straight-billed Woodcreeper

Dendroplex picus

Mouse-colored Tyrannulet

Nesotriccus murinus

Streaked Flycatcher

Myiodynastes maculatus

Nyctibius griseus

Phaethornis ruber

White-chinned Sapphire

Chlorestes cyanus

Heliornis fulica

Razor-billed Curassow

Starred Wood Quail

Odontophorus stellatus

Steatornis caripensis

Long-tailed Potoo

Nyctibius aethereus

White-chinned Swift

Cypseloides cryptus

White-collared Swift

Streptoprocne zonaris

Golden-tailed Sapphire

Chrysuronia oenone

Spotted Sandpiper

Actitis macularius

Mesembrinibis cayennensis

Grey-headed Kite

Leptodon cayanensis

Swallow-tailed Kite

Elanoides forficatus

Microspizias superciliosus

Geranospiza caerulescens

White-browed Hawk

Leucopternis kuhli

Pavonine Quetzal

Pharomachrus pavoninus

Blue-crowned Trogon

Amazonian Motmot

Blue-necked Jacamar

Galbula cyanicollis

Brown-banded Puffbird

Notharchus ordii

Spotted Puffbird

Semicollared Puffbird

Malacoptila semicincta

Scarlet-hooded Barbet

Eubucco tucinkae

Curl-crested Aracari

Pteroglossus beauharnaisii

Red-throated Caracara

Ibycter americanus

Lined Forest Falcon

Micrastur gilvicollis

Rose-fronted Parakeet

Pyrrhura roseifrons

White-eyed Parakeet

Psittacara leucophthalmus

Pale-legged Hornero

Furnarius leucopus

Hairy-crested Antbird

Rhegmatorhina melanosticta

Southern Chestnut-tailed Antbird

Sciaphylax hemimelaena

Cercomacroides serva

Rusty-belted Tapaculo

Liosceles thoracicus

Ochre-bellied Flycatcher

Mionectes oleagineus

Eastern Wood Pewee

Contopus virens

Boat-billed Flycatcher

Megarynchus pitangua

Citron-bellied Attila

Attila citriniventris

Spangled Cotinga

White-crowned Manakin

Pseudopipra pipra

Ruddy-tailed Flycatcher

Terenotriccus erythrurus

Black-capped Donacobius

Donacobius atricapilla

Rufous-bellied Euphonia

Euphonia rufiventris

Olive Oropendola

Psarocolius bifasciatus

Casqued Cacique

Icterus cayanensis

Short-billed Honeycreeper

Cyanerpes nitidus

White-winged Shrike-Tanager

Lanio versicolor

Chestnut-bellied Seed Finch

Sporophila angolensis

Yellow-bellied Tanager

Ixothraupis xanthogastra

Bay-headed Tanager

Grey-breasted Sabrewing

Campylopterus largipennis

White-throated Tinamou

Tinamus guttatus

Crypturellus soui

Crypturellus obsoletus

Undulated Tinamou

Crypturellus undulatus

Variegated Tinamou

Crypturellus variegatus

Bartlett's Tinamou

Crypturellus bartletti

Speckled Chachalaca

Ortalis guttata

Penelope jacquacu

Sand-colored Nighthawk

Chordeiles rupestris

Short-tailed Nighthawk

Lurocalis semitorquatus

Blackish Nightjar

Nyctipolus nigrescens

Ocellated Poorwill

Nyctiphrynus ocellatus

Rufous Nightjar

Antrostomus rufus

Nyctibius grandis

Pale-rumped Swift

Chaetura egregia

Lesser Swallow-tailed Swift

Panyptila cayennensis

Pale-tailed Barbthroat

Threnetes leucurus

White-bearded Hermit

Phaethornis hispidus

Straight-billed Hermit

Phaethornis bourcieri

Black-eared Fairy

Heliothryx auritus

Black-throated Mango

Anthracothorax nigricollis

Black-bellied Thorntail

Discosura langsdorffi

Gould's Jewelfront

Heliodoxa aurescens

Long-billed Starthroat

Heliomaster longirostris

Blue-tailed Emerald

Chlorostilbon mellisugus

Rufous-throated Sapphire

Hylocharis sapphirina

Red-billed Ground Cuckoo

Neomorphus pucheranii

Coccycua minuta

Plumbeous Pigeon

Patagioenas plumbea

Patagioenas subvinacea

White-tipped Dove

Leptotila verreauxi

Grey-fronted Dove

Leptotila rufaxilla

Amaurolimnas concolor

Grey-breasted Crake

Laterallus exilis

Pale-winged Trumpeter

Psophia leucoptera

Solitary Sandpiper

Tringa solitaria

Large-billed Tern

Phaetusa simplex

Eurypyga helias

Anhinga anhinga

Rufescent Tiger Heron

Tigrisoma lineatum

Boat-billed Heron

Cochlearius cochlearius

Sarcoramphus papa

Black Hawk-Eagle

Spizaetus tyrannus

Ornate Hawk-Eagle

Spizaetus ornatus

Ictinia plumbea

Slender-billed Kite

Helicolestes hamatus

Great Black Hawk

Buteogallus urubitinga

Zone-tailed Hawk

Buteo albonotatus

Short-tailed Hawk

Buteo brachyurus

Amazonian Pygmy Owl

Glaucidium hardyi

Lophostrix cristata

Amazonian Trogon

Trogon ramonianus

Amazonian Black-throated Trogon

Collared Trogon

Trogon collaris

Green Kingfisher

Chloroceryle americana

Green-and-rufous Kingfisher

Chloroceryle inda

Baryphthengus martii

Broad-billed Motmot

Electron platyrhynchum

Galbalcyrhynchus purusianus

White-throated Jacamar

Brachygalba albogularis

Jacamerops aureus

White-necked Puffbird

Notharchus hyperrhynchus

Notharchus tectus

Western Striolated Puffbird

Nystalus obamai

Rusty-breasted Nunlet

Nonnula rubecula

Fulvous-chinned Nunlet

Nonnula sclateri

White-fronted Nunbird

Monasa morphoeus

Scarlet-crowned Barbet

Capito aurovirens

Lettered Aracari

Pteroglossus inscriptus

Bar-breasted Piculet

Picumnus aurifrons

Yellow-throated Woodpecker

Piculus flavigula

Spot-breasted Woodpecker

Colaptes punctigula

Variable Woodpecker

Chestnut Woodpecker

Cream-colored Woodpecker

Rufous-headed Woodpecker

Celeus spectabilis

Ringed Woodpecker

Celeus torquatus

Red-necked Woodpecker

Campephilus rubricollis

Crimson-crested Woodpecker

Campephilus melanoleucos

Crested Caracara

Caracara plancus

Barred Forest Falcon

Micrastur ruficollis

Collared Forest Falcon

Micrastur semitorquatus

Nannopsittaca dachilleae

Orange-cheeked Parrot

Pyrilia barrabandi

Yellow-crowned Amazon

Amazona ochrocephala

Amazona farinosa

Orange-winged Amazon

Amazona amazonica

Dusky-billed Parrotlet

Forpus modestus

White-bellied Parrot

Pionites leucogaster

Blue-and-yellow Macaw

Chestnut-fronted Macaw

Red-and-green Macaw

Ara chloropterus

Short-billed Leaftosser

Sclerurus rufigularis

Black-tailed Leaftosser

Sclerurus caudacutus

Olivaceous Woodcreeper

Sittasomus griseicapillus

Southern Long-tailed Woodcreeper

Deconychura pallida

White-chinned Woodcreeper

Dendrocincla merula

Plain-brown Woodcreeper

Dendrocincla fuliginosa

Cinnamon-throated Woodcreeper

Dendrexetastes rufigula

Long-billed Woodcreeper

Nasica longirostris

Black-banded Woodcreeper

Dendrocolaptes picumnus

Strong-billed Woodcreeper

Xiphocolaptes promeropirhynchus

Elegant Woodcreeper

Xiphorhynchus elegans

Red-billed Scythebill

Campylorhamphus trochilirostris

Inambari Woodcreeper

Lepidocolaptes fatimalimae

Amazonian Plain Xenops

Xenops genibarbis

Point-tailed Palmcreeper

Berlepschia rikeri

Chestnut-winged Hookbill

Ancistrops strigilatus

Chestnut-winged Foliage-gleaner

Dendroma erythroptera

Ochre-throated Foliage-gleaner

Automolus ochrolaemus

Eastern Woodhaunter

Automolus subulatus

Olive-backed Foliage-gleaner

Automolus infuscatus

Speckled Spinetail

Thripophaga gutturata

Ruddy Spinetail

Synallaxis rutilans

Chestnut-shouldered Antwren

Euchrepomis humeralis

Spot-winged Antshrike

Pygiptila stellaris

Dot-winged Antwren

Microrhopias quixensis

Ornate Stipplethroat

Epinecrophylla ornata

Black-throated Antbird

Myrmophylax atrothorax

Myrmotherula brachyura

Amazonian Streaked Antwren

Myrmotherula multostriata

Sclater's Antwren

Myrmotherula sclateri

Long-winged Antwren

Myrmotherula longipennis

Myrmotherula menetriesii

Dichrozona cincta

Plain-throated Antwren

Isleria hauxwelli

Dusky-throated Antshrike

Thamnomanes ardesiacus

Bluish-slate Antshrike

Thamnomanes schistogynus

Barred Antshrike

Thamnophilus doliatus

White-shouldered Antshrike

Thamnophilus aethiops

Great Antshrike

Undulated Antshrike

Frederickena unduliger

White-throated Antbird

Oneillornis salvini

Black-spotted Bare-eye

Phlegopsis nigromaculata

Common Scale-backed Antbird

Willisornis poecilinotus

Striated Antbird

Drymophila devillei

Yellow-browed Antbird

Hypocnemis hypoxantha

Riparian Antbird

Cercomacroides fuscicauda

Cercomacra cinerascens

Band-tailed Antbird

Hypocnemoides maculicauda

Spot-backed Antbird

Hylophylax naevius

Dot-backed Antbird

Hylophylax punctulatus

Silvered Antbird

Sclateria naevia

Spot-winged Antbird

Myrmelastes leucostigma

White-browed Antbird

Myrmoborus leucophrys

White-shouldered Antbird

Akletos melanoceps

Hafferia fortis

Rufous-capped Antthrush

Formicarius colma

Black-faced Antthrush

Formicarius analis

Amazonian Antpitta

Myrmothera berlepschi

Wing-barred Piprites

Piprites chloris

Yellow-crowned Tyrannulet

Tyrannulus elatus

Myiopagis gaimardii

Amazonian Elaenia

Myiopagis cinerea

Grey-headed Elaenia

Myiopagis caniceps

White-lored Tyrannulet

Ornithion inerme

Slender-footed Tyrannulet

Zimmerius gracilipes

Bran-colored Flycatcher

Myiophobus fasciatus

Flammulated Bamboo Tyrant

Hemitriccus flammulatus

Snethlage's Tody-Tyrant

Hemitriccus minor

White-bellied Tody-Tyrant

Hemitriccus griseipectus

Johannes's Tody-Tyrant

Hemitriccus iohannis

Short-tailed Pygmy Tyrant

Myiornis ecaudatus

Rusty-fronted Tody-Flycatcher

Poecilotriccus latirostris

Spotted Tody-Flycatcher

Todirostrum maculatum

Yellow-browed Tody-Flycatcher

Todirostrum chrysocrotaphum

Yellow-olive Flatbill

Tolmomyias sulphurescens

Yellow-margined Flatbill

Tolmomyias assimilis

Grey-crowned Flatbill

Tolmomyias poliocephalus

Olive-faced Flatbill

Tolmomyias viridiceps

Golden-crowned Spadebill

Platyrinchus coronatus

White-crested Spadebill

Platyrinchus platyrhynchos

Little Ground Tyrant

Syrtidicola fluviatilis

Long-tailed Tyrant

Colonia colonus

Rusty-margined Flycatcher

Myiozetetes cayanensis

Dusky-chested Flycatcher

Myiozetetes luteiventris

Lesser Kiskadee

Philohydor lictor

Sulphury Flycatcher

Tyrannopsis sulphurea

Greyish Mourner

Rhytipterna simplex

White-rumped Sirystes

Sirystes albocinereus

Dusky-capped Flycatcher

Myiarchus tuberculifer

Swainson's Flycatcher

Myiarchus swainsoni

Large-headed Flatbill

Ramphotrigon megacephalum

Rufous-tailed Flatbill

Ramphotrigon ruficauda

Dusky-tailed Flatbill

Ramphotrigon fuscicauda

White-eyed Attila

Attila bolivianus

Bright-rumped Attila

Attila spadiceus

Plum-throated Cotinga

Cotinga maynana

Blue-backed Manakin

Chiroxiphia pareola

Fiery-capped Manakin

Machaeropterus pyrocephalus

Black-crowned Tityra

Tityra inquisitor

Black-tailed Tityra

Tityra semifasciata

Varzea Schiffornis

Schiffornis major

Cinereous Mourner

Laniocera hypopyrra

White-browed Purpletuft

Iodopleura isabellae

Cinereous Becard

Pachyramphus rufus

Chestnut-crowned Becard

Pachyramphus castaneus

White-winged Becard

Pachyramphus polychopterus

Black-capped Becard

Pachyramphus marginatus

Pink-throated Becard

Pachyramphus minor

Tropical Royal Flycatcher

Onychorhynchus coronatus

Whiskered Myiobius

Myiobius barbatus

Black-tailed Myiobius

Myiobius atricaudus

Slaty-capped Shrike-Vireo

Vireolanius leucotis

Lemon-chested Greenlet

Hylophilus thoracicus

Dusky-capped Greenlet

Pachysylvia hypoxantha

Brown-chested Martin

Grey-breasted Martin

Progne chalybea

Thrush-like Wren

Campylorhynchus turdinus

Moustached Wren

Pheugopedius genibarbis

Buff-breasted Wren

Cantorchilus leucotis

Southern House Wren

Troglodytes musculus

Southern Nightingale-Wren

Microcerculus marginatus

Trilling Gnatwren

Ramphocaenus melanurus

Swainson's Thrush

Catharus ustulatus

Creamy-bellied Thrush

Turdus amaurochalinus

Purple-throated Euphonia

Euphonia chlorotica

White-lored Euphonia

Euphonia chrysopasta

White-vented Euphonia

Euphonia minuta

Thick-billed Euphonia

Euphonia laniirostris

Orange-bellied Euphonia

Euphonia xanthogaster

Pectoral Sparrow

Arremon taciturnus

Red-breasted Meadowlark

Leistes militaris

Russet-backed Oropendola

Psarocolius angustifrons

Crested Oropendola

Psarocolius decumanus

Green Oropendola

Psarocolius viridis

Solitary Cacique

Cacicus solitarius

Band-tailed Cacique

Cacicus latirostris

Red-rumped Cacique

Cacicus haemorrhous

Molothrus oryzivorus

Molothrus bonariensis

Velvet-fronted Grackle

Lampropsar tanagrinus

Buff-rumped Warbler

Myiothlypis fulvicauda

Red-billed Pied Tanager

Lamprospiza melanoleuca

Red-crowned Ant Tanager

Amazonian Grosbeak

Cyanoloxia rothschildii

Nemosia pileata

Green Honeycreeper

Chlorophanes spiza

Yellow-backed Tanager

Hemithraupis flavicollis

Hemithraupis guira

Red-legged Honeycreeper

Cyanerpes cyaneus

Black-faced Dacnis

Bluish-grey Saltator

Saltator coerulescens

Buff-throated Saltator

Saltator maximus

Slate-colored Grosbeak

Saltator grossus

Flame-crested Tanager

Loriotus cristatus

White-shouldered Tanager

Loriotus luctuosus

Yellow-crested Tanager

Loriotus rufiventer

Fulvous-crested Tanager

Tachyphonus surinamus

Cissopis leverianus

Stilpnia nigrocincta

Green-and-gold Tanager

Tangara schrankii

Opal-crowned Tanager

Tangara callophrys

Rufous-breasted Hermit

Glaucis hirsutus

Chestnut-capped Puffbird

Bucco macrodactylus

Brown-rumped Foliage-gleaner

Automolus melanopezus

Yellow-breasted Warbling Antbird

Hypocnemis subflava

Alder Flycatcher

Empidonax alnorum

Black-backed Water Tyrant

Fluvicola albiventer

Brown-crested Flycatcher

Myiarchus tyrannulus

Ochre-crowned Greenlet

Tunchiornis ochraceiceps

Sicalis flaveola

Yellow-bellied Dacnis

Dacnis flaviventer

Spix's Mustached Tamarin

Saguinus mystax

Spix's Saddle-back Tamarin

Saguinus fuscicollis

Plecturocebus cupreus

Brown-throated Three-toed Sloth

Bradypus variegatus

Southern Pygmy Marmoset

Cebuella niveiventris

Eastern Lowland Olingo

Bassaricyon alleni

Colombian Red Howler

Alouatta seniculus

Common Woolly Monkey

Lagothrix lagothricha

Greater Capybara

Hydrochoerus hydrochaeris

Black Spider Monkey

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