20 Most Endangered Animals in the World (2026 List)

Q: What is the most endangered animal in the world?

The northern white rhino has only two individuals left, both female, so it can no longer breed naturally. Among full species, the vaquita porpoise of Mexico is the rarest, with only about 7 to 10 animals seen in the 2025 survey.

Q: What does "critically endangered" mean?

Critically Endangered is the highest risk category on the IUCN Red List before "Extinct in the Wild". It means a species faces an extremely high risk of extinction in the wild, based on criteria such as a very small or rapidly shrinking population.

Q: How many species are endangered?

The IUCN Red List has assessed well over 160,000 species, and more than 46,000 of them are threatened with extinction (Critically Endangered, Endangered or Vulnerable). That includes about 4 in 10 amphibians, a quarter of mammals and more than 1 in 10 birds.

Q: What is the main cause of animals becoming endangered?

Habitat loss is the biggest driver worldwide, followed by overexploitation (hunting, poaching and fishing), invasive species, pollution and climate change. Most of the animals in this list face several of these threats at once.

Q: Can endangered animals recover?

Yes. The kākāpō has grown from 51 birds in 1995 to 325 in 2026, mountain gorillas have more than quadrupled since the 1980s, and Yangtze finless porpoises are increasing after a fishing ban. Recovery needs protected habitat, an end to hunting and long-term funding.

Q: Which country has the most endangered animals on this list?

Indonesia, with five: the Sumatran rhino, Javan rhino, Sumatran tiger, Tapanuli orangutan and Sunda pangolin. Its rainforests are among the richest and most threatened on Earth.

Q: How can I help endangered animals?

Never buy products made from wildlife (ivory, tortoiseshell, pangolin scales, exotic pets), choose certified sustainable seafood and palm oil, travel with responsible wildlife operators, and support conservation groups that work with local communities.

Last updated: October 2026 · Population figures checked against the IUCN Red List, government surveys and conservation reports

The most endangered animals in the world are down to a few dozen, a few hundred or, in two cases, a handful of individuals. Some live in a single forest or river; others are spread across oceans but have lost most of their numbers. This list of the 20 most endangered animals in 2026 runs roughly from the fewest left to the most, and explains where each one lives, how many remain, why it is in trouble and what is being done to save it. Each entry links to our travel guide for the country where the animal is found.

Quick answer: the rarest animals on Earth in 2026 are the northern white rhino (2 left, both female), the vaquita (about 7–10), the red wolf (about 22 adults in the wild), the Hainan gibbon (42) and the Sumatran and Javan rhinos (fewer than 50 each). There is good news too: the kākāpō, mountain gorilla and Yangtze finless porpoise are all increasing.

Table of Contents

What Does “Endangered” Mean?

Scientists use the IUCN Red List of Threatened Species to measure extinction risk. Every animal in this list is in one of its two highest threat categories:

Critically Endangered (CR)Extremely high risk of extinction in the wild, for example a population that has fallen by 80–90% or has fewer than 250 adults.

Endangered (EN)Very high risk of extinction in the wild. The mountain gorilla moved up from CR to EN in 2018 thanks to conservation.

Vulnerable (VU)High risk of extinction. More than 46,000 species are in one of these three “threatened” categories.

Where a figure in our list of the most endangered animals is for a subspecies (such as the Amur leopard or Cross River gorilla), we say so. Population numbers come from the latest published surveys and are rounded, because counting rare, shy animals is difficult.

The 20 Most Endangered Animals at a Glance

#	Animal	Where	Left in the wild	Status	Main threat
1	Northern White Rhino	Kenya	2	Critically Endangered	Poaching (historic)
2	Vaquita	Mexico	~7–10	Critically Endangered	Illegal gillnets (bycatch)
3	Red Wolf	United States	~22 adults	Critically Endangered	Vehicles, gunshots, hybridisation
4	Hainan Gibbon	China	42	Critically Endangered	Habitat loss, tiny range
5	Sumatran Rhino	Indonesia	34–47	Critically Endangered	Isolation, poaching
6	Javan Rhino	Indonesia	~50	Critically Endangered	Poaching, one location
7	Saola	Laos and Vietnam	Unknown	Critically Endangered	Snares
8	Amur Leopard	Russia and China	~120–130 (Russia)	Critically Endangered	Poaching, small population
9	Cross River Gorilla	Nigeria and Cameroon	<300	Critically Endangered	Hunting, habitat loss
10	Kākāpō	New Zealand	325	Critically Endangered	Introduced predators
11	Sumatran Tiger	Indonesia	~400–600	Critically Endangered	Deforestation, snares
12	Philippine Eagle	Philippines	~392 pairs	Critically Endangered	Deforestation, shooting
13	Tapanuli Orangutan	Indonesia	<800	Critically Endangered	Dam, mining, floods
14	Axolotl	Mexico	Unknown	Critically Endangered	Pollution, invasive fish
15	Mountain Gorilla	Rwanda, Uganda and DR Congo	~1,060	Endangered	Disease, snares, small range
16	Yangtze Finless Porpoise	China	1,426	Critically Endangered	River traffic, overfishing
17	Sunda Pangolin	Indonesia, Malaysia, Thailand, Vietnam and neighbours	Unknown	Critically Endangered	Trafficking
18	Black Rhino	Kenya, Namibia, South Africa, Zimbabwe and Tanzania	6,788	Critically Endangered	Poaching
19	Hawksbill Turtle	Tropical seas worldwide	Unknown	Critically Endangered	Shell trade, reef loss
20	African Forest Elephant	Gabon, Cameroon, Republic of the Congo and DR Congo	Unknown	Critically Endangered	Ivory poaching, habitat loss

A northern white rhino, one of the most endangered animals in the world — A northern white rhino. Photo: © janaohrner

1. Northern White Rhino

Ceratotherium simum cottoni

IUCN: Critically Endangered (possibly extinct in the wild)

Left in the wild2 (both female)

Where it livesKenya (Ol Pejeta Conservancy)

HabitatOnce the savannas of Uganda, South Sudan, Chad, CAR and DR Congo

Vital statistics

📏 Size: 1.5–1.8 m at the shoulder, up to 4 m long
⚖️ Weight: Up to about 2,300 kg
⏳ Lifespan: 40–50 years
🍼 Gestation: About 16 months
🧬 Related species: Rhinos: 5 living species

Why it is endangered

Poaching for horn wiped out the wild population across Central Africa. The last male, Sudan, died in March 2018, leaving two females, Najin and her daughter Fatu, who cannot carry a pregnancy themselves.

What is being done

The BioRescue project has stored a bank of northern white rhino embryos made in the lab, and in 2024 achieved the first-ever rhino IVF pregnancy, using a southern white rhino surrogate. The next step is transferring a northern white embryo.

💡 Did you know? Najin and Fatu are guarded around the clock by armed rangers at Ol Pejeta in Kenya.

A vaquita in the Gulf of California, one of the most endangered animals in the world — A vaquita in the Gulf of California. Photo: Paula Olson / NOAA

2. Vaquita

Phocoena sinus

IUCN: Critically Endangered

Left in the wildAbout 7–10 seen in the 2025 survey

Where it livesMexico (northern Gulf of California only)

HabitatShallow, murky waters of the Upper Gulf of California

Vital statistics

📏 Size: Up to 1.5 m long
⚖️ Weight: Up to about 55 kg
⏳ Lifespan: About 20 years
🍼 Gestation: 10–11 months; one calf every 1–2 years
🧬 Related species: Porpoises: 7 species (the vaquita is the smallest)

Why it is endangered

Vaquitas drown in illegal gillnets set for the totoaba, a large fish whose swim bladder sells for high prices on the black market. The vaquita is not the target; it is bycatch.

What is being done

Mexico declared a “zero-tolerance” area where gillnets are banned and placed concrete blocks on the seabed to snag nets. Yearly surveys keep finding a handful of animals, including new calves, so the species is still breeding. Its habitat is part of the UNESCO World Heritage Site Islands and Protected Areas of the Gulf of California.

💡 Did you know? At about 1.5 m long, the vaquita is the smallest porpoise in the world. Its name means “little cow” in Spanish.

A red wolf, one of the most endangered animals in the world — A red wolf. Photo: © Valerie, some rights reserved, via Flickr

3. Red Wolf

Canis rufus

IUCN: Critically Endangered

Left in the wildAbout 22 adults plus pups in the wild (2026); 295 in captivity

Where it livesUnited States (eastern North Carolina)

HabitatCoastal swamps, farmland and forest on the Albemarle Peninsula

Vital statistics

📏 Size: 1.4–1.6 m nose to tail; 65–80 cm at the shoulder
⚖️ Weight: 20–36 kg
⏳ Lifespan: 6–7 years in the wild, up to 15 in captivity
🍼 Gestation: About 2 months (60–63 days)
🧬 Related species: Dog family (Canidae): about 37 species

Why it is endangered

Hunted and trapped almost to extinction in the 20th century, red wolves now face vehicle strikes, gunshots and interbreeding with coyotes, which dilutes the population.

What is being done

The species was declared extinct in the wild in 1980, then reintroduced in 1987 from captive-bred animals. The US Fish and Wildlife Service releases captive wolves and fosters pups into wild dens.

💡 Did you know? The red wolf is one of the few large carnivores found only in the United States.

A female Hainan gibbon holding her baby, one of the most endangered animals in the world — A female Hainan gibbon holding her baby. Photo: China Daily

4. Hainan Gibbon

Nomascus hainanus

IUCN: Critically Endangered

Left in the wild42 (2025)

Where it livesChina (Hainan Island)

HabitatTropical rainforest in Bawangling, Hainan Tropical Rainforest National Park

Vital statistics

📏 Size: Body about 45–60 cm; no tail
⚖️ Weight: 6–10 kg
⏳ Lifespan: Not measured; gibbons often live 30+ years
🍼 Gestation: About 5–6 months; one baby every 2 years
🧬 Related species: Gibbons: about 20 species

Why it is endangered

Logging and hunting reduced the gibbons to fewer than 10 by the 1970s. With all of them in one forest patch, a storm, disease or fire could wipe out the species.

What is being done

Rangers monitor every family group, and rope bridges have been strung across landslide gaps so gibbons can move between forest fragments. Numbers have slowly climbed back to 42.

💡 Did you know? Hainan gibbons live high in the canopy and greet each day with loud duets between mated pairs.

A Sumatran rhino, one of the most endangered animals in the world — A Sumatran rhino. Photo: JJ Jackson / © International Rhino Foundation

5. Sumatran Rhino

Dicerorhinus sumatrensis

IUCN: Critically Endangered

Left in the wild34–47

Where it livesIndonesia (Sumatra and Borneo)

HabitatDense tropical forest on Sumatra and in Indonesian Borneo

Vital statistics

📏 Size: 1–1.5 m at the shoulder, 2.4–3.2 m long
⚖️ Weight: 500–960 kg (the smallest rhino)
⏳ Lifespan: 35–40 years
🍼 Gestation: About 15–16 months
🧬 Related species: Rhinos: 5 living species

Why it is endangered

Poaching and forest clearance split the population into tiny groups that rarely meet to breed. The species was declared extinct in Malaysia in 2019.

What is being done

Animals are brought into sanctuaries such as Way Kambas in Sumatra for breeding, and several calves have been born there in recent years.

💡 Did you know? It is the smallest and hairiest rhino, and the closest living relative of the extinct woolly rhino.

A Javan rhino, one of the most endangered animals in the world — A Javan rhino. Photo: SeeTheWild

6. Javan Rhino

Rhinoceros sondaicus

IUCN: Critically Endangered

Left in the wildAbout 50 (down from 76)

Where it livesIndonesia (Ujung Kulon National Park, Java)

HabitatLowland rainforest and swamps at the western tip of Java

Vital statistics

📏 Size: 1.4–1.7 m at the shoulder, about 3 m long
⚖️ Weight: 900–2,300 kg
⏳ Lifespan: 30–45 years
🍼 Gestation: About 16 months
🧬 Related species: Rhinos: 5 living species

Why it is endangered

The whole species lives in one national park. A poaching ring is alleged to have killed 26 rhinos in recent years, cutting the population by about a third. The last Javan rhino in Vietnam was killed in 2010.

What is being done

Indonesia has strengthened ranger patrols and prosecuted poachers, and conservationists are working towards a second population elsewhere so a single disaster cannot end the species. Its habitat is part of the UNESCO World Heritage Site Ujung Kulon National Park.

💡 Did you know? Javan rhinos are so secretive that almost everything known about them comes from camera traps.

A saola, one of the rarest large mammals on Earth, one of the most endangered animals in the world — A saola, one of the rarest large mammals on Earth. Photo: © testerpro, some rights reserved, via iNaturalist

7. Saola

Pseudoryx nghetinhensis

IUCN: Critically Endangered

Left in the wildUnknown; possibly fewer than 100, possibly none

Where it livesLaos and Vietnam

HabitatWet evergreen forest in the Annamite Mountains

Vital statistics

📏 Size: 80–90 cm at the shoulder, about 1.5 m long
⚖️ Weight: About 100 kg
⏳ Lifespan: Unknown (at least 8–9 years)
🍼 Gestation: Estimated about 8 months
🧬 Related species: Cattle and antelope family (Bovidae): about 140 species; the saola is the only one in its genus

Why it is endangered

Wire snares set by the thousands for other animals catch saolas by accident. The species is so rarely seen that the last confirmed record is a camera-trap photo from 2013.

What is being done

Rangers remove snares from the forest. In 2025 scientists published the first saola genome and found two distinct populations, which would help a captive-breeding plan if any animals are found.

💡 Did you know? Discovered by science only in 1992, the saola is nicknamed the “Asian unicorn” and has never been seen alive in the wild by a biologist.

An Amur leopard resting on a tree stump, one of the most endangered animals in the world — An Amur leopard resting on a tree stump. Photo: William Warby / Unsplash

8. Amur Leopard

Panthera pardus orientalis

IUCN: Critically Endangered (subspecies)

Left in the wildAbout 120–130 adults in Russia (2024), plus a smaller number in China

Where it livesRussia and China

HabitatTemperate forest of the Russian Far East and north-eastern China

Vital statistics

📏 Size: 64–78 cm at the shoulder; 1.1–1.4 m long plus an 80–90 cm tail
⚖️ Weight: 25–48 kg
⏳ Lifespan: 10–15 years in the wild, up to 20 in captivity
🍼 Gestation: About 3 months (90–105 days)
🧬 Related species: Cat family: about 41 species; the leopard has 8 subspecies

Why it is endangered

Poaching, forest fires and the loss of deer and other prey pushed the population down to about 30 in the early 2000s.

What is being done

Russia’s Land of the Leopard National Park, created in 2012, protects their core range, and camera traps now count every adult. Numbers have roughly quadrupled.

💡 Did you know? Amur leopards grow a thick coat up to 7 cm long to survive winters of −30 °C.

A Cross River gorilla, one of the most endangered animals in the world — A Cross River gorilla. Photo: © 2026 The Gorilla Organization

9. Cross River Gorilla

Gorilla gorilla diehli

IUCN: Critically Endangered (subspecies)

Left in the wildFewer than 300

Where it livesNigeria and Cameroon

HabitatHilly forest along the Nigeria–Cameroon border

Vital statistics

📏 Size: Males stand up to about 1.7 m
⚖️ Weight: Males up to about 200 kg; females about 100 kg
⏳ Lifespan: 35–40 years
🍼 Gestation: About 8.5 months
🧬 Related species: Gorillas: 2 species, 4 subspecies

Why it is endangered

Hunting for bushmeat and the clearing of forest for farms have split the gorillas into about a dozen small groups spread over rugged hills.

What is being done

Protected areas such as Cross River National Park and Afi Mountain in Nigeria and Takamanda in Cameroon, plus community ranger programmes, protect the remaining groups.

💡 Did you know? Africa’s rarest great ape is so shy that researchers mostly track it by its nests and dung.

A kākāpō, the world's only flightless parrot, one of the most endangered animals in the world — A kākāpō, the world’s only flightless parrot. Photo: © Jake Osborne, some rights reserved, via Flickr

10. Kākāpō

Strigops habroptilus

IUCN: Critically Endangered

Left in the wild325 (September 2026)

Where it livesNew Zealand

HabitatPredator-free offshore islands

Vital statistics

📏 Size: Up to 64 cm long
⚖️ Weight: Up to 4 kg (the heaviest parrot)
⏳ Lifespan: Estimated 60–90 years
🍼 Incubation: About 30 days; breeds only every 2–4 years
🧬 Related species: Parrots: about 400 species; the only flightless one

Why it is endangered

Introduced predators such as stoats, cats and rats wiped out this flightless parrot on the mainland. By 1995 only 51 were left.

What is being done

Every kākāpō has a name and is monitored. The 2026 breeding season produced a record 90 chicks, and the population is the highest it has been in decades.

💡 Did you know? The kākāpō is the world’s heaviest parrot, flightless, nocturnal, and can live for 60 years or more.

A Sumatran tiger, one of the most endangered animals in the world — A Sumatran tiger. Photo: © Joachim S. Müller, some rights reserved, via Flickr

11. Sumatran Tiger

Panthera tigris sondaica

IUCN: Critically Endangered

Left in the wildAbout 400–600

Where it livesIndonesia (Sumatra)

HabitatLowland and mountain rainforest across Sumatra

Vital statistics

📏 Size: Males up to about 2.4 m including the tail
⚖️ Weight: Males 100–140 kg; females 75–110 kg
⏳ Lifespan: 10–15 years in the wild, about 20 in captivity
🍼 Gestation: About 3.5 months (about 103 days)
🧬 Related species: Tiger: 1 species, 2 subspecies (continental and Sunda)

Why it is endangered

Forest is cleared for palm oil and paper plantations, and tigers are killed in snares or poached for skins and bones.

What is being done

Anti-poaching patrols operate in parks such as Kerinci Seblat and Gunung Leuser, and teams remove snares and work with villages to reduce conflict. Its habitat is part of the UNESCO World Heritage Site Tropical Rainforest Heritage of Sumatra.

💡 Did you know? It is the smallest living tiger, with darker, closer stripes that help it hide in dense forest.

A Philippine eagle, one of the most endangered animals in the world — A Philippine eagle. Photo: © kdonbo, some rights reserved, via iNaturalist

12. Philippine Eagle

Pithecophaga jefferyi

IUCN: Critically Endangered

Left in the wildAbout 392 breeding pairs

Where it livesPhilippines (Mindanao, Luzon, Samar, Leyte)

HabitatOld-growth mountain rainforest

Vital statistics

📏 Size: 90–100 cm long; wingspan up to 2 m
⚖️ Weight: 4.7–8 kg
⏳ Lifespan: Up to about 40 years (42 recorded in captivity)
🍼 Incubation: About 2 months; one chick every 2 years
🧬 Related species: Hawks and eagles (Accipitridae): about 250 species

Why it is endangered

Logging and farming have removed much of its forest, and eagles are still shot or trapped. A pair raises only one chick every two years.

What is being done

The Philippine Eagle Foundation breeds eagles, protects nests with local communities and releases birds back into the wild. Killing one is a crime.

💡 Did you know? The national bird of the Philippines is one of the world’s largest eagles, with a wingspan of about 2 m.

A Tapanuli orangutan in Batang Toru, Sumatra, one of the most endangered animals in the world — A Tapanuli orangutan in Batang Toru, Sumatra. Photo: © Tim Laman, some rights reserved, via Wikimedia Commons

13. Tapanuli Orangutan

Pongo tapanuliensis

IUCN: Critically Endangered

Left in the wildFewer than 800

Where it livesIndonesia (Batang Toru, North Sumatra)

HabitatUpland forest in the Batang Toru ecosystem

Vital statistics

📏 Size: Males about 1.4 m tall, with an arm span over 2 m
⚖️ Weight: Males up to about 90 kg; females 30–50 kg
⏳ Lifespan: 40–50 years
🍼 Gestation: About 8.5 months; one baby every 8–9 years
🧬 Related species: Orangutans: 3 species (this one was named in 2017)

Why it is endangered

The species survives in just a few percent of its historical range. A hydroelectric dam, a gold mine and roads threaten its forest, and floods in December 2025 killed at least 58 orangutans.

What is being done

In 2026 the Indonesian government paused the dam and mine for post-disaster reviews. Conservation groups are pushing for wildlife corridors to reconnect the forest blocks.

💡 Did you know? Described only in 2017, it is the newest great ape species known to science and the rarest.

A pale, captive-bred axolotl with pink gills, one of the most endangered animals in the world — A pale, captive-bred axolotl with pink gills. Photo: Lutz Stallknecht / Unsplash

14. Axolotl

Ambystoma mexicanum

IUCN: Critically Endangered

Left in the wildUnknown; wild density fell 99% from 1998 to 2014

Where it livesMexico (Xochimilco canals, Mexico City)

HabitatThe ancient canals of Xochimilco

Vital statistics

📏 Size: 15–30 cm long (usually about 23 cm)
⚖️ Weight: Usually 60–230 g
⏳ Lifespan: 10–15 years
🍼 Eggs hatch in: 10–14 days; a female lays up to 1,000 eggs
🧬 Related species: Mole salamanders (genus Ambystoma): about 30 species

Why it is endangered

Pollution, the growth of Mexico City and invasive carp and tilapia, which eat axolotl eggs and young, have almost emptied the canals. A 2025 survey netted no axolotls, though environmental DNA showed some remain.

What is being done

Farmers are restoring traditional chinampa fields as clean-water refuges, and labs and zoos keep large captive populations. Its habitat is part of the UNESCO World Heritage Site Historic Centre of Mexico City and Xochimilco.

💡 Did you know? Axolotls stay in their larval form all their lives and can regrow limbs, parts of their heart and even parts of their brain. Wild ones are dark; the pink ones are bred in captivity.

A mountain gorilla in Bwindi Impenetrable National Park, Uganda, one of the most endangered animals in the world — A mountain gorilla in Bwindi Impenetrable National Park, Uganda. Photo: Emmy Shingiro / Unsplash

15. Mountain Gorilla

Gorilla beringei beringei

IUCN: Endangered (subspecies; improved from Critically Endangered in 2018)

Left in the wildAbout 1,060 (last published count)

Where it livesRwanda, Uganda and DR Congo

HabitatMontane forest of the Virunga volcanoes and Bwindi

Vital statistics

📏 Size: Males stand up to about 1.7 m
⚖️ Weight: Males up to about 200 kg; females about 100 kg
⏳ Lifespan: 35–40 years
🍼 Gestation: About 8.5 months; one baby every 4 years
🧬 Related species: Gorillas: 2 species, 4 subspecies

Why it is endangered

Habitat loss, snares, disease caught from humans and conflict in the region once pushed numbers to about 250 in the early 1980s.

What is being done

Strictly managed gorilla trekking pays for rangers and community projects. Mountain gorillas are the only great ape whose numbers are rising. A new census of Bwindi was carried out in 2025. Its habitat is part of the UNESCO World Heritage Site Bwindi Impenetrable National Park.

💡 Did you know? Visitors must stay at least 7 m away and are limited to one hour with a gorilla family, to protect them from human illnesses.

A Yangtze finless porpoise, one of the most endangered animals in the world — A Yangtze finless porpoise. Photo: © Huangdan2060, some rights reserved, via Wikimedia Commons

16. Yangtze Finless Porpoise

Neophocaena asiaeorientalis asiaeorientalis

IUCN: Critically Endangered

Left in the wild1,426 (2025)

Where it livesChina (Yangtze River, Poyang and Dongting lakes)

HabitatThe main Yangtze channel and connected lakes

Vital statistics

📏 Size: 1.2–1.7 m long
⚖️ Weight: Up to about 70 kg
⏳ Lifespan: About 20–25 years
🍼 Gestation: About 11 months
🧬 Related species: Porpoises: 7 species

Why it is endangered

Overfishing, ship traffic, sand dredging, dams and pollution turned the Yangtze into one of the busiest rivers on Earth. The baiji, a river dolphin, was declared functionally extinct there in 2006.

What is being done

China banned fishing on the Yangtze for 10 years from 2021. Porpoise numbers rose from about 1,249 in 2022 to 1,426 in 2025, the first recorded increase.

💡 Did you know? It is the world’s only freshwater porpoise and has a ridge instead of a dorsal fin.

A Sunda pangolin, one of the most endangered animals in the world — A Sunda pangolin. Photo: © Chien Lee, all rights reserved, via iNaturalist

17. Sunda Pangolin

Manis javanica

IUCN: Critically Endangered

Left in the wildUnknown; steep decline

Where it livesIndonesia, Malaysia, Thailand, Vietnam and neighbours

HabitatForests, plantations and gardens across Southeast Asia

Vital statistics

📏 Size: 79–88 cm including the tail
⚖️ Weight: Up to about 10 kg
⏳ Lifespan: Unknown in the wild; close relatives reach about 20 years in captivity
🍼 Gestation: About 4–6 months (estimates vary); usually one baby
🧬 Related species: Pangolins: 8 species, all threatened

Why it is endangered

Pangolins are the most trafficked wild mammals in the world. They are taken for their meat and for their scales, which are used in traditional medicine even though they are made of keratin, like human fingernails.

What is being done

All international commercial trade in pangolins has been banned under CITES since 2017. Rescue centres rehabilitate seized animals and release them.

💡 Did you know? When threatened, a pangolin rolls into a tight ball of overlapping scales that even a tiger struggles to open.

A black rhino mother in Lewa Wildlife Conservancy, Kenya, one of the most endangered animals in the world — A black rhino mother in Lewa Wildlife Conservancy, Kenya. Photo: David Clode / Unsplash

18. Black Rhino

Diceros bicornis

IUCN: Critically Endangered

Left in the wild6,788 (end of 2024)

Where it livesKenya, Namibia, South Africa, Zimbabwe and Tanzania

HabitatSavanna, scrub and semi-desert in eastern and southern Africa

Vital statistics

📏 Size: 1.4–1.8 m at the shoulder, 3–3.75 m long
⚖️ Weight: 800–1,400 kg
⏳ Lifespan: 35–50 years
🍼 Gestation: About 15 months
🧬 Related species: Rhinos: 5 living species

Why it is endangered

Poaching for horn caused a fall of about 98% in the 20th century, to roughly 2,400 animals in 1995. Poaching remains the biggest threat.

What is being done

Guarded sanctuaries, dehorning, ranger dog units and moving rhinos to safer areas have helped the population more than double since its low point.

💡 Did you know? Black rhinos are actually grey. The name separates them from the white rhino; the real difference is the black rhino’s pointed, hooked upper lip for browsing.

A hawksbill sea turtle, one of the most endangered animals in the world — A hawksbill sea turtle. Photo: © malu_md, some rights reserved, via iNaturalist

19. Hawksbill Turtle

Eretmochelys imbricata

IUCN: Critically Endangered

Left in the wildUnknown; down more than 80% over the last century

Where it livesTropical seas worldwide, including Seychelles, Mexico, Australia and Indonesia

HabitatCoral reefs, where it feeds mainly on sponges

Vital statistics

📏 Size: Shell 60–90 cm long
⚖️ Weight: 45–70 kg
⏳ Lifespan: 30–50+ years
🍼 Incubation: About 2 months; about 140 eggs per nest
🧬 Related species: Sea turtles: 7 species

Why it is endangered

For centuries hawksbills were killed for their beautiful shell, sold as “tortoiseshell”. Black-market trade continues, along with egg collection, beach development and the loss of coral reefs.

What is being done

International trade has been banned under CITES since 1977, and protected nesting beaches in places like the Seychelles and the Caribbean have seen numbers recover.

💡 Did you know? By eating sponges that would otherwise smother corals, hawksbills help keep coral reefs healthy.

An African forest elephant, one of the most endangered animals in the world — An African forest elephant. Photo: © pfaucher, some rights reserved, via iNaturalist

20. African Forest Elephant

Loxodonta cyclotis

IUCN: Critically Endangered

Left in the wildUnknown; down more than 86% in 31 years

Where it livesGabon, Cameroon, Republic of the Congo and DR Congo

HabitatRainforests of Central and West Africa

Vital statistics

📏 Size: 2–2.5 m at the shoulder
⚖️ Weight: 2,000–5,000 kg
⏳ Lifespan: 60–70 years
🍼 Gestation: About 22 months (the longest of any land mammal)
🧬 Related species: Elephants: 3 species

Why it is endangered

Ivory poaching and the clearing of forests for farms and logging caused a decline of more than 86% over 31 years, according to the IUCN assessment that listed it as a separate species in 2021.

What is being done

Gabon, home to the largest remaining population, has strengthened protection in its national parks and banned the ivory trade.

💡 Did you know? Forest elephants are called “gardeners of the forest”: they spread the seeds of many tree species that store large amounts of carbon.

The Good News: Animals That Are Coming Back

Extinction is not inevitable. Several of the most endangered animals in this list are slowly recovering, and these comebacks show what protection can achieve:

🦜 Kākāpō
51 birds in 1995, 325 in 2026, after predators were removed from island refuges.

🦍 Mountain gorilla
About 250 in the early 1980s, over 1,000 today, funded largely by gorilla tourism.

🐬 Yangtze finless porpoise
Up from about 1,249 to 1,426 between 2022 and 2025 after a 10-year fishing ban.

🦏 Black rhino
Roughly 2,400 in 1995, 6,788 at the end of 2024, thanks to anti-poaching work.

How You Can Help the Most Endangered Animals

Never buy wildlife products: ivory, tortoiseshell, pangolin scales, rhino horn, coral and exotic pets all fuel the trade.
Choose certified products: look for sustainable seafood and responsibly sourced palm oil, which protect turtles, porpoises, tigers and orangutans.
Travel responsibly: on safari or a wildlife trip, pick licensed operators that fund local conservation and keep a respectful distance from animals.
Support the people doing the work: rangers and community conservation groups protect most of the species in this list.
Learn and share: students and teachers can explore the countries in this list with our Compare Countries tool and quizzes below.

🌍 Explore the places these animals call home

Many of the most endangered animals live inside UNESCO World Heritage Sites, from the rainforests of Sumatra to Bwindi in Uganda. See the most famous natural and cultural sites in our guide to UNESCO World Heritage Sites, or find out how many World Heritage Sites there are.

🧠 Geography quiz 🎮 Geography games 📚 Classroom & homeschool resources

Endangered Animals: Frequently Asked Questions

What is the most endangered animal in the world?

The northern white rhino has only two individuals left, both female, so it can no longer breed naturally. Among full species, the vaquita porpoise of Mexico is the rarest, with only about 7 to 10 animals seen in the 2025 survey.

What does “critically endangered” mean?

Critically Endangered is the highest risk category on the IUCN Red List before “Extinct in the Wild”. It means a species faces an extremely high risk of extinction in the wild, based on criteria such as a very small or rapidly shrinking population.

How many species are endangered?

The IUCN Red List has assessed well over 160,000 species, and more than 46,000 of them are threatened with extinction (Critically Endangered, Endangered or Vulnerable). That includes about 4 in 10 amphibians, a quarter of mammals and more than 1 in 10 birds.

What is the main cause of animals becoming endangered?

Habitat loss is the biggest driver worldwide, followed by overexploitation (hunting, poaching and fishing), invasive species, pollution and climate change. Most of the animals in this list face several of these threats at once.

Can endangered animals recover?

Yes. The kākāpō has grown from 51 birds in 1995 to 325 in 2026, mountain gorillas have more than quadrupled since the 1980s, and Yangtze finless porpoises are increasing after a fishing ban. Recovery needs protected habitat, an end to hunting and long-term funding.

Which country has the most endangered animals on this list?

Indonesia, with five: the Sumatran rhino, Javan rhino, Sumatran tiger, Tapanuli orangutan and Sunda pangolin. Its rainforests are among the richest and most threatened on Earth.

How can I help endangered animals?

Never buy products made from wildlife (ivory, tortoiseshell, pangolin scales, exotic pets), choose certified sustainable seafood and palm oil, travel with responsible wildlife operators, and support conservation groups that work with local communities.

Final Thoughts

The most endangered animals on Earth are not doomed. The same story repeats across this list: species collapse when their habitat is cleared or they are hunted for trade, and they recover when people protect their homes and stop the killing. Every country linked above has a part to play, and so do the travellers, students and shoppers who choose what to support.

Sources

IUCN Red List of Threatened Species: status of every species and subspecies.
International Rhino Foundation, State of the Rhino 2025: black rhino numbers.
Mongabay (Aug 2025): IUCN and TRAFFIC report on Javan and Sumatran rhinos.
Mexico Business News (Oct 2025): 2025 vaquita survey.
US Fish and Wildlife Service: red wolf recovery programme.
New Zealand Department of Conservation (Sept 2026): kākāpō population.
China Daily (Apr 2025): Hainan gibbon population.
Red Apes / SOCP: Tapanuli orangutan status and threats.
Philippine Eagle Foundation: global population estimate.
Conservation International: axolotl surveys.
IUCN SSC Pangolin Specialist Group: Sunda pangolin.
SEE Turtles: hawksbill turtle status.

Photo credits

Featured image (black rhino mother and calf, Lewa, Kenya) and black rhino: David Clode / Unsplash
Vaquita: Paula Olson / NOAA
Hainan Gibbon: China Daily
Javan Rhino: SeeTheWild
Amur leopard: William Warby / Unsplash
Axolotl: Lutz Stallknecht / Unsplash
Mountain gorilla: Emmy Shingiro / Unsplash