Endangered
Vaquita
Phocoena sinus
The smallest porpoise, confined to one corner of the Gulf of California: a 2025 survey saw about 7-10 different animals.
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Threatened now, mainly because of people: habitat loss, hunting, bycatch, and a climate we have changed.
Measured sizes
Each animal is shown at full size, with the smaller animals behind it.
Heightm
Lengthm
1 of 1
Addax
- Shoulder height
- 1.1 m
- Nose to tail tip
- 1.9 m
Shoulder height 1.1 m, Nose to tail tip 1.9 m
Photo: Rufus46, CC BY-SA 3.0 file on Wikimedia CommonsBackground removed from the original photo.
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Addax, 1 of 1. Shoulder height 1.1 m. Nose to tail tip 1.9 m.
Heightm
Lengthm
1 of 4
Amur tiger
- Shoulder height
- 1.0 m
- Nose to tail tip
- 3.0 m
Shoulder height 1.0 m, Nose to tail tip 3.0 m
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Amur tiger, 1 of 4. Shoulder height 1.0 m. Nose to tail tip 3.0 m.
Endangered
Amur tiger
Panthera tigris altaica
The northernmost tiger: a few hundred animals in the Russian Far East and northeast China.
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Endangered
Sumatran orangutan
Pongo abelii
A great ape of northern Sumatra, listed Critically Endangered as oil palm replaces forest.
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Endangered
Black rhinoceros
Diceros bicornis
Horn poaching cut the species to a few thousand; a partial recovery still leaves it Critically Endangered.
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Endangered
African forest elephant
Loxodonta cyclotis
Listed Critically Endangered in 2021 after an estimated 80 percent decline over three generations.
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Endangered
Mountain gorilla
Gorilla beringei beringei
The only great ape whose counted numbers have risen: still Endangered, and only in two highland forests.
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Endangered
Amur leopard
Panthera pardus orientalis
One of the rarest big cats: on the order of 100-130 mature animals in one transboundary forest.
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Endangered
Hawksbill turtle
Eretmochelys imbricata
A coral-reef turtle hunted for tortoiseshell and still listed Critically Endangered.
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CR Critically Endangered global assessment Functionally extinct
Northern white rhinoceros
Ceratotherium simum cottoni
Two living females remain. The subspecies is functionally extinct in the wild; it is not a recovering herd.
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Endangered
Javan rhinoceros
Rhinoceros sondaicus
The rarest living rhino: one park on Java, and a 2025 count near 50 after poaching.
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Endangered
Sumatran rhinoceros
Dicerorhinus sumatrensis
The smallest, hairiest living rhino: IRF estimates 34-47 in the wild, not a comfortable “under 80.”
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Endangered
Saola
Pseudoryx nghetinhensis
The “Asian unicorn”: a forest bovid science met in 1992, last photographed in 2013, with no honest head-count.
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Endangered
Yangtze giant softshell turtle
Rafetus swinhoei
The largest living freshwater turtle: a few known individuals, and no confirmed breeding female since 2023.
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Endangered
Kākāpō
Strigops habroptilus
A flightless New Zealand parrot. The official tally in 2026 is 325 named birds, and the species is still critically endangered.
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Endangered
Axolotl
Ambystoma mexicanum
A gilled salamander of Mexico City’s canals: common in tanks, nearly gone from Xochimilco.
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Endangered
Chinese giant salamander
Andrias davidianus
The largest amphibian: farmed by the tens of thousands, wild lineages collapsing, and not one species.
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Endangered
Addax
Addax nasomaculatus
A spiral-horned Sahara antelope: tens left in the last wild desert, plus a reintroduction in Chad.
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Endangered
Cao Vit gibbon
Nomascus nasutus
One of the rarest apes: 74 animals in 11 families, not the older count of 120.
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Endangered
Devils Hole pupfish
Cyprinodon diabolis
A fish of one Nevada spring: dozens to low hundreds on a single limestone shelf.
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Endangered
Chinese pangolin
Manis pentadactyla
An Asian scaly anteater listed Critically Endangered after the scale-and-meat trade.
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Endangered
Sunda pangolin
Manis javanica
Southeast Asia’s most heavily trafficked pangolin: Critically Endangered, no honest census.
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Endangered
Philippine pangolin
Manis culionensis
A Palawan endemic listed Critically Endangered: trade plus a tiny island range.
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Endangered
Indian pangolin
Manis crassicaudata
South Asia’s pangolin: Endangered, not Critically Endangered, and still in the same trade.
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Endangered
Sumatran tiger
Panthera tigris sumatrae
The last island tiger of Indonesia: a few hundred animals, listed Critically Endangered as a subspecies.
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Endangered
Rice’s whale
Balaenoptera ricei
A baleen whale of the Gulf of Mexico, named in 2021: NOAA’s best estimate is about 51.
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Endangered
North Atlantic right whale
Eubalaena glacialis
A North Atlantic whale once hunted to the edge: NOAA’s 2024 estimate is 384, still Critically Endangered.
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Endangered
Asian elephant
Elephas maximus
The largest land animal of Asia, a forest giant with small ears and a domed head.
Read entrySource: Wijayanto et al. 2021, Biodiversitas 22(7): body measurements of Sumatran elephants
Endangered
African wild dog
Lycaon pictus
A long legged painted hunter of the African savanna that lives and hunts in packs.
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Endangered
Ethiopian wolf
Canis simensis
A slender red wolf of the Ethiopian highlands that hunts rodents on open moorland.
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Endangered
Malayan tapir
Tapirus indicus
A black and white forest giant with a short trunk and a white saddle across its back.
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Endangered
Baird's tapir
Tapirus bairdii
The largest native land mammal of tropical America, a shy plant eater with a short trunk.
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Endangered
Okapi
Okapia johnstoni
A shy forest relative of the giraffe with zebra like stripes on its legs.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Okapi fact sheet
Endangered
Grévy's zebra
Equus grevyi
The largest wild member of the horse family, with narrow stripes, a white belly and round ears.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Grévy's zebra fact sheet
Endangered
Pygmy hippopotamus
Choeropsis liberiensis
A small, shy hippo of West African forests that hides in swamps by day.
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Endangered
Red panda
Ailurus fulgens
A rusty red tree climber of Himalayan forests with a ringed bushy tail.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Red panda fact sheet
Endangered
Bonobo
Pan paniscus
A slender great ape of the Congo forests and one of the two closest living relatives of humans.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Bonobo fact sheet
Endangered
Tasmanian devil
Sarcophilus harrisii
The largest living meat eating marsupial, a stocky black scavenger of Tasmania with a powerful bite.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Tasmanian devil fact sheet
Endangered
Gharial
Gavialis gangeticus
A fish eating crocodilian of Indian rivers with an extremely long, thin snout.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Gharial fact sheet
Endangered
Komodo dragon
Varanus komodoensis
The largest living lizard, a heavy hunter of a few small Indonesian islands.
Read entrySource: San Diego Zoo Wildlife Alliance Library: Komodo dragon fact sheet
Endangered
Philippine eagle
Pithecophaga jefferyi
One of the largest and most powerful eagles, a crested forest hunter of the Philippines.
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Endangered
Great Indian bustard
Ardeotis nigriceps
One of the heaviest flying birds, a tall grassland bustard of India.
Read entrySource: International Union for Conservation of Nature: Big birds lose out in a crowded world