List of Endangered Rainforest Animals and What We Can Do

Rainforests are critical habitats because their diverse ecosystems allow rich biodiversity to flourish. They house most of the earth's unique plant and animal species, many of which only survive in their native area. Unfortunately, the number of endangered rainforest animals is rising.

Human encroachment, illegal hunting, climate change, and other human activities are the root causes we must act against. This article lists some endangered species in the Amazon rainforest and other rainforests worldwide that need your help now.

Table of Contents:

The Threats To Rainforest Creatures

Rainforests are warm and wet forests that get a lot of rain and are usually near the equator. The largest, the Amazon rainforest, stands out with over 40,000 plant species and 4,000 different animals. Even though it is the perfect place to support life, the residents are at serious risk.

Human activities that harm wildlife populations in rainforests include the following:

1. Habitat Destruction: Deforestation for agriculture, logging, mining, and development leads to the loss and fragmentation of habitats, disrupting animal homes and migration routes.

2. Pollution: Household waste, chemicals, and industrial pollutants contaminate rainforest ecosystems through runoff and dumping, polluting soil and waterways.

3. Illegal Wildlife Trade: Poaching and capturing animals for body parts or as exotic pets depletes populations. A 2023 study found that it played an undeniable role in the extinction of 511 species¹. Currently, this illegal activity affects around four thousand plants and animals³.

4. Climate Change: Altered climate patterns disrupt food and water availability, making habitats unsuitable. A study also shows it could increase the birth rate but decrease survival chances².

10 Amazon Rainforest Endangered Species

The Amazon basin is the world's largest rainforest and home to millions of unique species. Humans have exploited the flora and fauna selfishly, leading many species to be endangered or near extinction. Here are the top animals with conservation data from the IUCN Red List of Threatened Species Version 2025-1.

1. Giant  Otter (Pteronura brasiliensis)

Conservation status: Endangered
Population Trend: Decreasing

Giant otters are the largest species within the weasel family. They can grow to be six feet long. You'll find giant otters floating in the waters of the Peruvian side of the Amazon, feeding on fish and crustaceans.

Hunting giant otters for their fur almost drove the species to extinction before the 1973 ban. Despite efforts, the population continues to decline. Fewer than 5,000 Giant otters are left in the wild.

Giant otters are protected throughout most of their range. However, illegal hunting, water contamination, overfishing, and habitat fragmentation still threaten them. 

2. Amazonian Manatee (Trichechus inunguis)

Conservation status: Vulnerable
Population Trend: Decreasing, 8,000-30,000 mature individuals

Amazonian manatees are endemic to the Amazon River and its tributaries. They are herbivorous powerhouses that curb the overgrowth of floating vegetation.

Amazon manatees have no natural predators except humans, who hunted them for their flesh and fat. They used to move in large herds, but overhunting has reduced their groups to no more than eight members.

Other reasons Amazonian manatees have become endangered are habitat pollution and frequent collisions with boats and ships.

3. Amazon River Dolphin (Inia geoffrensis)

Conservation status: Endangered
Population Trend: Decreasing

The Amazon River dolphin, also known as the Pink River dolphin, is the largest freshwater dolphin. However, its population has dwindled by 73% since the 1980s.

Habitat fragmentation due to dam construction, chemical waste runoff from farms and mines, and accidental capture in fishing nets are common causes of their endangerment. Poachers persistently hunt them for their fat to use as bait for a carnivorous catfish.

Amazon River dolphins also face a dwindling supply of food due to overfishing.

4. Hyacinth Macaw (Anodorhynchus hyacinthinus)

Conservation status: Vulnerable
Population Trend: Decreasing, 4,300 mature individuals

Hyacinth macaws are the largest flying parrot by length. They live in the parts of the Amazon rainforest spanning Brazil, Bolivia, and Paraguay. These birds are vital seed dispersers that boost new tree growth.

Their beautiful cobalt feathers and calm demeanor make them highly desirable exotic pets. Although exporting these birds is banned, poachers steal their eggs and artificially hatch them. They are also losing their natural habitats to land clearing.

5. Harpy Eagle (Harpia harpyja)

Conservation status: Vulnerable
Population Trend: Decreasing, 100,000-250,000 mature individuals

Harpy eagles are powerful raptors native to South America. They play a crucial role in controlling the population of other species in the rainforests. Unfortunately, the population of these majestic birds has declined continuously over the years.

The harpy eagle nests in the tallest trees, which means it needs habitats with lots of tree cover. However, they keep losing their home range to human encroachment and logging. People also hunt harpy eagles for fun. Unfortunately, they do not run from humans, so they're easy to kill. 

6. Jaguar (Panthera onca)

Conservation status: Near Threatened
Population Trend: Decreasing

Jaguars are the third largest cats in the world. They are one of the most endangered species in the Amazon, even though they are apex predators.

Their fierce reputation and intricate spotted coats make them irresistible to illegal traders and game hunters. They also suffer habitat loss and fragmentation, having lost more than 50% of their original range. Smaller, isolated territories cause food scarcity and inbreeding.

Fatal conflicts with humans, as jaguars turn to livestock for sustenance, are also concerning issues

7. South American Tapir (Tapirus terrestris)

Conservation status: Vulnerable
Population Trend: Decreasing

The South American tapir is a keystone species in rainforests. The large herbivorous mammal does vital work of seed dispersal. It is an endangered species that has suffered local extinction in some of its range.

South American tapirs are losing their natural habitats to logging, agriculture, and so on. Illegal hunting also poses a huge threat, particularly when you consider that tapirs reproduce at a much slower rate than other animals. These hoofed mammals have a 14-month pregnancy that produces only one offspring at a time.

8. Uakari Monkey (Cacajao)

Conservation status: Least Concern to Vulnerable
Population Trend: Stable to Decreasing

This incredibly identifiable monkey has quite a distinctive look. It's bright red face, bald head, and long shaggy red-orange or whitish fur. They are arboreal fruit-eaters vital to the health of their forest habitat.

Uakaris are one of the most endangered species in the Amazon. Locals hunt them for food or capture their younglings to keep as pets. Their reproduction rate cannot keep up with human consumption. Female uakaris give birth to only one offspring every two years.

Additionally, they are losing their homes to logging.

9. Spider Monkey (Ateles)

Conservation status: Vulnerable to Critically Endangered
Population Trend: Decreasing

Spider monkeys are aptly named for their long, nimble limbs. All seven species of this particular primate are native to the rainforests of South and Central America. They are important seed dispersers in their environments.

Sadly, all members of this species are vulnerable to extinction. The IUCN has tagged brown-headed and brown spider monkeys as critically endangered. These monkeys are hunted for food and are common victims of the illegal wildlife trade. Habitat loss also worsens the threat.

10. Poison Dart Frogs (Dendrobatidae)

Conservation status: Around half of the species are vulnerable to critically endangered
Population Trend: Around half of the species is decreasing

There are more than a hundred species of poison dart frogs, with most living in the Amazon. These frogs come in bright colors, which help warn predators of their poison. 

Unfortunately, these amazing creatures face serious threats. Habitat loss squeezes them into smaller areas, making it harder to find food and avoid becoming prey. They're also fighting a disease called chytridiomycosis, which has led to the extinction of some species by killing thousands of frogs each year.

Other Endangered Rainforest Animals Outside The Amazon

Rainforests exist worldwide. Here are more animals that need to be saved outside of the Amazon rainforest:

1. The Sumatran Orangutan (Endangered), Tapanuli Orangutan (Critically Endangered), and Bornean Orangutan (Critically Endangered) live in the rainforests of Sumatra and Borneo in Indonesia and Malaysia.
2. The Malayan Tiger (Critically Endangered) and Indochinese Tiger (Endangered) inhabit the forests of the Malay Peninsula and Southeast Asia.
3. Critically endangered, the Cross River Gorilla is native to the rainforests along the Nigeria-Cameroon border.
4. The Bornean Pygmy Elephant, classified as endangered, resides in the rainforests of Borneo in Malaysia and Indonesia.
5. The Western Hoolock Gibbon is endangered and found in the forests of Bangladesh, India, and Myanmar.
6. Critically endangered, the Javan Rhinoceros is confined to Ujung Kulon National Park in Java, Indonesia.
7. The Golden Lion Tamarin, listed as endangered, is located in the Atlantic coastal rainforests of Brazil.
8. The Roloway Monkey is critically endangered and inhabits primary rainforests in Ghana and Côte d'Ivoire.
9. Critically endangered, the Tonkin Snub-Nosed Monkey is found in the northern forests of Vietnam.

What's being done?

Our list of endangered species in the Amazon rainforest is in no way exhaustive. Many other endangered species in the Amazon and other rainforests need urgent attention.

Below are some of the interventions by environmental agencies

Conservation efforts

Conservation organizations are working around the clock to protect endangered animals. They do this by establishing protected areas or designating an animal as protected. The major challenge conservationists face is a lack of government support.

Habitat restoration

Some organizations and individuals focus on restoring degraded areas by planting trees or campaigning against habitat destruction. They are also trying to establish migration corridors to mitigate the effect of forest fragmentation.

Curbing illegal wildlife trade

Many species are protected, but poachers continue to target them. From 2015 to 2021, law enforcement agents seized 13 million items from illegal wildlife traffickers⁴. Fortunately, comprehensive strategies addressing the demand and supply of illegally obtained wildlife produce encouraging results.

Climate change

Climate change brings altered rainfall patterns and temperature changes that disrupt rainforest ecosystems. Sadly, there's no quick fix. The only way forward is to shift toward sustainable manufacturing consumption systems determinedly.

Community engagement

Human activities harm wildlife the most. While some people knowingly destroy the environment, others are unaware of how they contribute to wildlife endangerment and how they can help.

Partnering with local communities for wildlife protection involves promoting sustainable practices and ecological preservation training.

How can we help threatened species?

We play a crucial role in saving endangered species and preserving the planet for future generations. The best part is that we can even do this work from home. 

For one, we can donate to habitat restoration and conservation efforts. There are many rainforest protection organizations to choose from. We can also raise awareness about the plight of endangered animals within your social network. Check out the important dates about mammals.