Amacayacu National Natural Park

🇨🇴 Colombia

🐬 Pink River Boto in Amazon Backwaters

🧭 Guide required ⏱ 2–3 days 🥾 Moderate trails

🌍 #86 Global · 4.2 ★★★★★ ★★★★★ #16 in South America #37 in Tropical Forest

Amazon, Colombia 1308 spp. recorded

Amacayacu protects 267,000 hectares of Amazon rainforest in Colombia's southern trapezoid, near Leticia. Reached only by boat up the Amazon River, its flooded forests and channels shelter one of the richest concentrations of primates and river life on the continent.

-3.420° S 70.094° W

Wildlife

⭐ Iconic Species

Boto

Inia geoffrensis

30–40% · Possible

Ecuadorian Squirrel Monkey

Saimiri macrodon

40–50% · Likely

Brown-throated Sloth

Bradypus variegatus

50–60% · Likely

Tucuxi

Sotalia fluviatilis

30–40% · Possible

📊 Most Spotted

Russet-backed Oropendola

Psarocolius angustifrons

60–70% · Likely

Silver-beaked Tanager

Ramphocelus carbo

50–60% · Likely

Three-striped Poison Frog

Ameerega trivittata

50–60% · Likely

Yellow-rumped Cacique

Cacicus cela

50–60% · Likely

Black-fronted Nunbird

Monasa nigrifrons

50–60% · Likely

Black Vulture

Coragyps atratus

50–60% · Likely

Undulated Tinamou

Crypturellus undulatus

40–50% · Likely

Eastern Cane Toad

Rhinella marina

40–50% · Likely

Roadside Hawk

Rupornis magnirostris

40–50% · Likely

Great Kiskadee

Pitangus sulphuratus

40–50% · Likely

Tropical Kingbird

Tyrannus melancholicus

40–50% · Likely

Black-mantled Tamarin

Leontocebus nigricollis

30–40% · Possible

⭐ Iconic Species

Boto

Inia geoffrensis

30–40% · Possible

Ecuadorian Squirrel Monkey

Saimiri macrodon

40–50% · Likely

Brown-throated Sloth

Bradypus variegatus

50–60% · Likely

Tucuxi

Sotalia fluviatilis

30–40% · Possible

📊 Most Spotted

Black-mantled Tamarin

Leontocebus nigricollis

30–40% · Possible

Western Pygmy Marmoset

Cebuella pygmaea

20–30% · Possible

Colombian Red Howler Monkey

Alouatta seniculus

20–30% · Possible

Lagothrix lagotricha

Lagothrix lagothricha

20–30% · Possible

Black-capped Capuchin

Sapajus apella

20–30% · Possible

Lucifer Titi

Cheracebus lucifer

10–20% · Possible

Capybara

Hydrochoerus hydrochaeris

10–20% · Possible

Proboscis Bat

Rhynchonycteris naso

10–20% · Possible

Common Opossum

Didelphis marsupialis

Insufficient data

da Silky Anteater

Cyclopes ida

Insufficient data

Yellow-crowned Brush-tailed Rat

Isothrix bistriata

Insufficient data

Eastern Pygmy Marmoset

Cebuella niveiventris

Insufficient data

📊 Most Spotted

Russet-backed Oropendola

Psarocolius angustifrons

60–70% · Likely

Silver-beaked Tanager

Ramphocelus carbo

50–60% · Likely

Yellow-rumped Cacique

Cacicus cela

50–60% · Likely

Black-fronted Nunbird

Monasa nigrifrons

50–60% · Likely

Black Vulture

Coragyps atratus

50–60% · Likely

Undulated Tinamou

Crypturellus undulatus

40–50% · Likely

Roadside Hawk

Rupornis magnirostris

40–50% · Likely

Great Kiskadee

Pitangus sulphuratus

40–50% · Likely

Tropical Kingbird

Tyrannus melancholicus

40–50% · Likely

Blue-gray Tanager

Thraupis episcopus

30–40% · Possible

Turkey Vulture

Cathartes aura

30–40% · Possible

Large-billed Tern

Phaetusa simplex

30–40% · Possible

📊 Most Spotted

Green Iguana

Iguana iguana

30–40% · Possible

Trinidad Gecko

Gonatodes humeralis

20–30% · Possible

Brown-eared Anole

Anolis fuscoauratus

20–30% · Possible

Common Forest Anole

Anolis trachyderma

20–30% · Possible

Common Lancehead

Bothrops atrox

20–30% · Possible

Blunthead Tree Snake

Imantodes cenchoa

20–30% · Possible

Catesby's Snail-eater

Dipsas catesbyi

20–30% · Possible

Amazon Racerunner

Ameiva ameiva

20–30% · Possible

Yellow-headed Sideneck

Podocnemis unifilis

20–30% · Possible

Common Caiman

Caiman crocodilus

20–30% · Possible

Anaconda

Eunectes murinus

10–20% · Possible

Southern Turnip-tailed Gecko

Thecadactylus solimoensis

10–20% · Possible

📊 Most Spotted

Three-striped Poison Frog

Ameerega trivittata

50–60% · Likely

Eastern Cane Toad

Rhinella marina

40–50% · Likely

Reticulated Poison Frog

Ranitomeya ventrimaculata

30–40% · Possible

Smoky Jungle Frog

Leptodactylus pentadactylus

20–30% · Possible

Waxy Monkey Treefrog

Phyllomedusa bicolor

20–30% · Possible

Rocket Tree Frog

Boana lanciformis

20–30% · Possible

Variable Clown Tree Frog

Dendropsophus triangulum

10–20% · Possible

Pale-striped Poison Frog

Ameerega hahneli

10–20% · Possible

South American Common Toad

Rhinella margaritifera

10–20% · Possible

Common Big-headed Frog

Oreobates quixensis

10–20% · Possible

Greater Hatchet-faced Tree Frog

Sphaenorhynchus lacteus

10–20% · With luck

Perez's Snouted Frog

Edalorhina perezi

10–20% · With luck

Animal Events

🐸

Rainy-season Poison Frogs

DecJanFebMarApr

The high-water rains bring the forest floor alive with brilliantly coloured poison frogs calling from the leaf litter.

Three-striped Poison Frog

Ameerega trivittata

50–60% · Likely

🐬

Pink River Dolphin Viewing

JunJulAugSepOct

As the river drops in the low-water season, pink and grey river dolphins concentrate in the channels and lake mouths, surfacing beside the canoes.

Tucuxi

Sotalia fluviatilis

30–40% · Possible

Boto

Inia geoffrensis

30–40% · Possible

🦜

Canopy Macaw & Toucan Activity

JanFebMarNovDec

Scarlet macaws and white-throated toucans move noisily through the canopy at dawn and dusk, crossing the river in pairs.

Scarlet Macaw

Ara macao

20–30% · Possible

White-throated Toucan

Ramphastos tucanus

20–30% · Possible

Sighting Calendar

Chance of spotting each species, month by month

Species Total

40–50

40–50

40–50

40–50

40–50

40–50

50–60

40–50

40–50

30–40

40–50

50–60

30–40

40–50

10–20

10–20

0–10

20–30

40–50

10–20

20–30

40–50

20–30

20–30

Ecuadorian Squirrel Monkey

40–50

40–50

20–30

40–50

40–50

40–50

40–50

30–40

50–60

20–30

50–60

50–60

Brown-throated Sloth

40–50

40–50

50–60

50–60

40–50

40–50

50–60

50–60

60–70

50–60

60–70

40–50

20–30

40–50

10–20

30–40

10–20

30–40

30–40

40–50

30–40

50–60

30–40

50–60

Russet-backed Oropendola

80–90

70–80

70–80

50–60

50–60

50–60

70–80

60–70

60–70

50–60

70–80

70–80

Silver-beaked Tanager

50–60

50–60

50–60

60–70

50–60

60–70

70–80

50–60

50–60

30–40

70–80

60–70

Three-striped Poison Frog

30–40

50–60

50–60

70–80

70–80

40–50

60–70

50–60

50–60

60–70

70–80

60–70

Yellow-rumped Cacique

70–80

70–80

50–60

50–60

40–50

30–40

50–60

50–60

60–70

40–50

40–50

60–70

Black-fronted Nunbird

50–60

50–60

60–70

50–60

60–70

60–70

60–70

50–60

40–50

30–40

30–40

40–50

40–50

50–60

40–50

40–50

50–60

30–40

60–70

50–60

40–50

20–30

60–70

50–60

Undulated Tinamou

60–70

40–50

30–40

20–30

40–50

70–80

50–60

30–40

30–40

20–30

20–30

50–60

Eastern Cane Toad

40–50

20–30

30–40

10–20

30–40

10–20

20–30

40–50

60–70

40–50

40–50

40–50

40–50

40–50

40–50

40–50

30–40

30–40

40–50

20–30

30–40

20–30

60–70

40–50

40–50

50–60

40–50

40–50

40–50

10–20

50–60

30–40

20–30

20–30

40–50

50–60

Tropical Kingbird

30–40

20–30

40–50

50–60

50–60

20–30

40–50

30–40

30–40

30–40

40–50

50–60

Black-mantled Tamarin

40–50

20–30

30–40

40–50

40–50

30–40

40–50

30–40

40–50

20–30

20–30

10–20

Animal Events

🐬 Pink River Dolphin Viewing

🦜 Canopy Macaw & Toucan Activity

🐸 Rainy-season Poison Frogs

Sighting Zones

Warm areas are where all species together are recorded most, so they track where people go as much as where animals are. For one species, see the map on its own page.

0.0 ★★★★★ ★★★★★ Excellent

🐬 Pink River Boto in Amazon Backwaters

🦜

Biodiversity

Very good

How rich is the wildlife?

4.3 Global avg

4.7 ★★★★★ ★★★★★

Species by taxon

🦅 Birds

721

🐒 Mammals

228

🦎 Reptiles

197

🐸 Amphibians

162

1308 Total Species

841 Global average across 280 parks

32 Threatened 42 Endemic

🔭

Sighting

Very good

How likely to see animals?

3.6 Global avg

3.9 ★★★★★ ★★★★★

🎯

Top-12 Avg Probability

62% Global avg

51%

📊

Coverage (414 species at ≥5% of 1308 in the inventory)

24% Global avg

32%

🔀

Taxon variety in top 12 (8 bird, 2 amphibian, 2 mammal)

47% Global avg

67%

🔭

Species per 10 outings (distinct species a visitor would meet over 10 outings — effort held equal across parks)

132 Global avg

251

🌟

Iconic-group species (≥15%) (every species from the 19 iconic groups — monkeys, cats, toucans, macaws, sloths, crocodilians… — not just the 4 highlighted above)

14 Global avg

31

⭐

High-prob species (>40%)

26 Global avg

13

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