Endangered (EN)
Species facing a very high risk of extinction, usually through habitat loss, hunting, or a collapsing food supply.
Komodo Dragon
The largest living lizard, armored in bone and equipped with iron-coated serrated teeth and anticoagulant venom.
Lar Gibbon
A rainforest singer whose pair duets average 11 minutes and carry up to a kilometre.
Long-Tailed Chinchilla
An Andean rodent with up to 60 hairs growing from one follicle.
Malayan Tapir
Born striped, grown two-tone, and armed with a prehensile snout for plucking leaves.
Mountain Gorilla
Up to 220 kilograms of plant-eating ape, a chest beat heard more than a kilometer away, and the only great ape whose numbers are growing.
Okapi
Zebra-striped legs, a tongue that can reach past a foot, and the giraffe's only close living relative, unknown to scientists until 1901.
Proboscis Monkey
An oversized nose that works as both a visual badge and a vocal amplifier, webbed fingers and toes that help it swim across rivers, and a cow-like habit of bringing food back up to chew it again.
Przewalski's Horse
The wild horse with 66 chromosomes, gone from the wild and then put back.
Pygmy Hippopotamus
Dwarf solitary forest hippo of the Upper Guinean swamps, with pink blood-sweat sunscreen.
Red Panda
Ringed bushy tail, false thumb wrist bone, and bamboo-eating acrobats in high Himalayan forests.
Ring-Tailed Lemur
Black-and-white ringed tail, yoga-pose sun worship, and wrist gland scent wars.
Scaly-foot Snail
The hydrothermal vent gastropod whose foot scales and shell are often mineralised with iron sulfide, with a heart that takes up about 4% of its body volume.
Sea Otter
The densest fur of any mammal, a rock tucked under one arm, and a keystone predator that stops urchins from overgrazing kelp forests.
Secretarybird
The stilt-legged snake executioner whose stomp, measured in one captive male, peaked at five times his body weight on average.
Shortfin Mako Shark
Considered the fastest shark in the world: burst speeds up to 70 km/h, warm swimming muscle, and hook-like, razor-edged teeth.
Sunda Slow Loris
The deceptively cute nocturnal primate whose elbow-gland secretion carries a protein closely resembling a cat allergen.
Tasmanian Devil
Pound for pound, the strongest estimated bite of any living mammal predator studied, bloodcurdling nocturnal screams, and a scavenger's take-no-prisoners appetite.
Whale Shark
World's largest fish, an ocean giant armored in tooth-like scales down to its eyeballs, that filters its food out of seawater.
Conservation categories are from the IUCN Red List of Threatened Species. AnimalTracks is independent of IUCN.