Which bird is the top predator of the Amazon rainforest?

The harpy eagle. National Geographic names large raptors such as harpy eagles as the top predators of the emergent layer, the tallest trees above the canopy. A female can weigh about 24 pounds (roughly 11 kg). Its huge talons can pull a grown sloth from a tree, and it can carry off a small deer.

Why is the hoatzin called the stink bird?

The hoatzin eats mostly leaves and lets bacteria ferment them in its crop, a pouch high in its gut. National Geographic says it is the only bird known to digest food by fermentation, like a cow. This process gives it a smell like fresh cow manure, which earned it the nickname "stink bird".

What do macaws eat in the Amazon?

Macaws eat fruit, nuts, seeds, insects and snails, says National Geographic. Their powerful beaks crack hard nuts easily. Some species also eat damp soil, which may help to neutralise chemicals in their fruit-rich diet. Flocks sleep in trees at night and may fly long distances in the morning to feed.

What is the biggest threat to birds of the Amazon rainforest?

Habitat loss from deforestation. Forest is cleared for cattle pasture, soya beans, mining and development. The Smithsonian's National Zoo says projections show Amazon birds such as the hawk-headed parrot losing about 24-31 percent of their current habitat by 2040. Trapping for the pet trade and hunting are further threats.

Birds of the Amazon Rainforest

Q: How many bird species live in the Amazon rainforest?

National Geographic's Rain Forest resource (last updated September 2026) says the Amazon is home to nearly 1,300 bird species. NCERT's Class 12 Biology book (Reprint 2026-27) also gives 1,300 species of birds for the Amazonian rain forest. Quote one source at a time and name it, because bird counts change as scientists survey more of the forest.

Birds in the Amazon rainforest range from giant harpy eagles in the tallest trees to noisy macaws and toucans in the canopy and leaf-eating hoatzins beside rivers. National Geographic counts nearly 1,300 bird species in the Amazon. Each group uses a particular forest layer and food, and deforestation now threatens many of them.

Birds are one of the animal groups that keep a forest working. Our main guide to animals of the ecosystem and their roles explains jobs such as seed dispersal and predation. This page zooms in on the birds of one forest, the Amazon. For the body plan shared by every bird, see the characteristics of birds.

How many bird species live in the Amazon rainforest?

Two well-used sources give a figure. Keep them separate and name the source when you quote one.

National Geographic (Rain Forest resource, last updated 15 September 2026) calls the Amazon the world’s largest tropical rainforest. It says the forest holds nearly 1,300 bird species, around 40,000 plant species and more than 430 mammal species.
NCERT’s Class 12 Biology book (chapter “Biodiversity and Conservation”, Reprint 2026-27) says the Amazonian rain forest has the greatest biodiversity on earth. Its list includes 1,300 species of birds and more than 40,000 species of plants.

One likely reason is the forest’s many layers. A treetop hunter and a bird feeding low beside a river use different spaces and foods.

Which layers of the Amazon rainforest do birds use?

Forest layers are the levels of a rainforest from the treetops down to the ground. National Geographic describes four: emergent, canopy, understory and forest floor. Each layer has its own light, wind and food, so each attracts different birds.

Layer	What it is like	Birds named there	Main food
Emergent	Scattered giant trees up to 60 m tall; sunny and windy	Harpy eagle (top predator)	Sloths and other animals
Canopy	Thick roof of leaves about 6 m deep; full of fruit	Scarlet macaws, toucans, parrots	Fruit, nuts, seeds, insects
Understory	Darker, stiller and more humid; open airspace between trunks	Many birds, along with bats and insects	Varies by species
Forest floor	Darkest layer; main site of decay	National Geographic names no forest-floor bird	—
Riverside habitat (not one of the four layers)	Low branches near rivers, lakes and streams	Hoatzin	Mostly leaves

National Geographic says more animals live in the canopy than in any other layer, because food is so plentiful there. That is why so many colourful fruit-eating birds feed up there. Learn how the whole forest is built in our guide to the tropical rainforest.

Which are the best-known birds of the Amazon rainforest?

The birds below appear most often in textbooks and nature films. Their diets differ a great deal, from raw meat to tough leaves.

Bird	Layer it uses	Diet	Stand-out feature
Harpy eagle	Emergent	Sloths, small deer, porcupines, armadillos	Talons can be larger than a grizzly bear’s claw
Macaws	Canopy	Fruit, nuts, seeds, insects, snails	Bony tongue; some eat soil
Toco toucan (South America’s tropical forests)	Canopy	Fruit, insects, eggs and nestlings	Bill nearly half its length
Hawk-headed parrot	Canopy (perches on high, bare branches)	Guavas, Inga fruits, berries, seeds, nuts, buds	Raises a fan of neck feathers
Hoatzin	Low branches near water	Mostly leaves	Chicks have claws on their wings

Harpy eagle

The harpy eagle has a sleek black, grey and white body and a crest of feathers on its head. National Geographic (2020) calls it one of the world’s largest eagle species. Females are bigger than males and can weigh about 24 pounds, or roughly 11 kg. Its wings are fairly short for its size. This lets it steer between trunks in dense forest.

It is a raptor, a bird of prey that hunts with its feet. Its talons can snatch a grown sloth from a branch and carry off a small deer. National Geographic photographed one adult returning to its nest with a porcupine, and an armadillo left as a meal for a chick. Pairs stay together for life and may use one nest site for two to three decades. They raise just one chick at a time. In biologist Everton Miranda’s study area in Brazil, they choose the tall crowns of Brazil nut trees for nesting.

Macaws

Macaws are large, long-tailed members of the parrot family. National Geographic says there are at least 17 species. Their bright plumage suits a canopy full of green leaves and colourful fruit. In the Amazon canopy, scarlet macaws snatch fruit with their large beaks.

A macaw’s beak cracks nuts and seeds with ease. Its dry, scaly tongue contains a bone, which helps it tap into fruit. Flocks of 10 to 30 birds sleep in trees and may fly far each morning to feed. Some species eat damp soil, which may neutralise chemicals in their fruity diet. Pairs usually mate for life. The female sits on the eggs while the male brings food to the nest.

Toucans

Toucans are famous for their oversized, colourful bills. National Geographic calls the toco toucan of South America’s tropical forests the largest and best-known toucan. That page does not single out the Amazon, but the bird shows the toucan way of life well. It weighs up to about 2 pounds (0.9 kg) and grows to 25 inches (about 64 cm), says National Geographic. Its bill makes up nearly half of that length.

The bill looks heavy but is a light honeycomb of keratin, the protein in fingernails, held up by thin rods of bone. It lets the bird reach fruit on twigs too thin to hold its weight. The serrated edges help peel fruit. Toco toucans eat figs, oranges and guavas, plus insects and the eggs and chicks of other birds. They feed in the canopy, nest in tree holes and lay two to four eggs.

Parrots: the hawk-headed parrot

The Amazon has many smaller parrots too. The hawk-headed parrot is mostly green above, with red and grey feathers below. When scared or excited, it raises its neck feathers into a fan around its head. The Smithsonian’s National Zoo says this display is unique among New World parrots.

It is 30-35 cm long and lives in rainforests of Brazil, Colombia, Peru, Venezuela and the Guianas. It eats guavas, Inga fruits, berries, seeds, nuts, buds and leaves. Pairs nest in old tree holes and often reuse the same hole for years.

Hoatzin

The hoatzin is a South American bird with a crest and a long tail. National Geographic (2020) says adults spend most of their time perched on low branches near rivers, lakes or streams. Flying is not their strength.

Its diet is unusual. The hoatzin eats mostly leaves and digests them in its crop, a pouch high in the gut. National Geographic says it is the only bird known to digest by fermentation, like a cow, and that it smells like fresh cow manure. The fermenting is done by gut bacteria. People call it the “stink bird”.

The chicks have a strange escape plan. They can dodge predators by swimming underwater. They also climb through plants using wings armed with claws.

Why are birds important to the Amazon rainforest?

Amazon birds do jobs that keep the forest healthy.

Seed dispersal. Many canopy trees wrap their seeds in sweet fruit, says National Geographic. Animals eat the fruit and drop the seeds on the forest floor in their droppings. Macaws, toucans and parrots move seeds away from the parent tree.
Controlling prey. Harpy eagles are top predators. National Geographic (2020) says they help keep the numbers of prey species in check.
Showing forest health. A conservation leader quoted by National Geographic says that saving harpy eagles means saving almost all the biodiversity around them.

An animal whose role is far larger than its numbers is called a keystone species. See keystone species: meaning and examples to learn how scientists use the idea.

India has its own fruit-eating forest birds. The great hornbill of the Western Ghats and north-east does a similar job to the toucan. Meet it, and other famous birds, in famous bird species around the world.

Feature	Toco toucan (South America)	Great hornbill (India)
Continent	South America	Asia
Bill	Huge, light, colourful	Huge, with a hollow casque on top
Food	Fruit, insects, eggs, nestlings	Many fruits, especially figs
Nest	Tree hole	Tree hole sealed with mud by the female
Forest role	Seed disperser	Seed disperser

What threats do birds of the Amazon rainforest face?

Deforestation

Deforestation is the clearing of forest for other uses. NCERT’s Class 12 book (Reprint 2026-27) says the Amazon is being cut and cleared for soya beans and for grassland to raise beef cattle. Farming, mining and development are clearing harpy eagle forest too, National Geographic reported in 2020. Miranda calculated that 136 acres (about 55 ha) of jungle were razed every hour in the Brazilian Amazon in early 2020.

According to Miranda, quoted by National Geographic in 2020, the harpy eagle’s range has shrunk by more than 40 percent since the 1800s. It is now limited mostly to the Amazon. The Smithsonian’s National Zoo says projections show the hawk-headed parrot and other Amazon birds losing about 24-31 percent of their current habitat to deforestation by 2040. Read about the wider damage in impacts of deforestation.

The pet trade and hunting

Bright, clever birds are popular pets. National Geographic says many macaws are trapped illegally for the pet trade. Toco toucans are hunted for food and for pets, and their overall numbers are falling. Hawk-headed parrots are also targeted, although Brazil’s law bans catching or trading them. Large eagles face guns. In interviews with 180 landowners, Miranda calculated that they had shot at least 180 harpy eagles in two years.

How are Amazon birds being protected?

Miranda believes that people will protect forests once they see them as more profitable standing than felled.

Community nest-finding. Brazil nut collectors search the forest floor for fallen nuts all the time. In National Geographic’s 2020 report, they had helped Miranda find 34 harpy eagle nests across Mato Grosso state.
Ecotourism. A company builds 90-foot (about 27 m) towers so tourists can view eagle nests at eye level. Landowners receive $20 a day for each visitor. As of July 2020, 35 landowners with nests had joined.
Changing attitudes. Many landowners said they regretted shooting eagles once they learned more about them. A logger and a rancher have even rescued eagle chicks.
Legal protection. Brazil protects the hawk-headed parrot by law.

Scientists judge each species’ risk of extinction using the IUCN Red List. Learn what each category means in IUCN Red List categories.