Mammal
Pangolin
The world's only scaly mammal
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The IUCN Red List ranks species by how close they are to extinction, from Least Concern to Critically Endangered. Of the animals in this guide, 126 are considered threatened. Learning about them is the first step; funding their protection is the next.
126 animals in this guide are Vulnerable, Endangered, or Critically Endangered on the IUCN Red List. Each profile explains the threats and links to ways you can help fund protection through World Animal Rescue Network.
World Animal Rescue Network funds protection on the ground. Give where it's needed most or pick a live appeal such as tigers, orangutans or street dogs.
Whether you want to give, sponsor, adopt or simply travel responsibly, these guides explain how it works so your support reaches the animals.
Observe safely and find qualified local help before intervening.
Practical ways to make a difference, from everyday choices to supporting the right organisations.
A plain-English checklist for vetting any animal cause before you give.
One-off gifts, monthly giving, sponsorship and legacies — and how each helps.
What symbolic adoption is, how it works, and what your gift actually funds.
How species sponsorship supports habitat protection and on-the-ground care.
From rescue and rehabilitation to release or lifelong care — and what they eat.
How to see wildlife without funding cruelty, and how to spot a genuine sanctuary.
Ranked from the most threatened. Each guide explains the dangers each species faces and ends with a way to help.
Mammal
The world's only scaly mammal
Mammal
The largest living primate
Reptile
The tortoiseshell turtle
Mammal
Africa's hook-lipped browser in crisis
Bird
North America's largest flying land bird
Bird
Flightless nocturnal parrot of New Zealand
Fish
Living-fossil lobe-finned fish
Mammal
The smallest, hairiest — and rarest — rhino
Mammal
The rarest rhino on Earth
Amphibian
The salamander that never grows up and can regrow body parts
Mammal
Bulbous-nosed steppe antelope of Central Asia
Amphibian
World's largest amphibian
Fish
Giant ray with a toothed rostral saw
Fish
The shark with a head like a hammer
Amphibian
Critically Endangered orange gem of Madagascar
Fish
Critically Endangered lord of the open ocean
Fish
Critically Endangered shovel ray of sandy coasts
Invertebrate
Critically Endangered nacre snail of Pacific kelp
Mammal
The great ape of the Southeast Asian rainforest
Fish
The 100-year reproductive mystery that baffled scientists from Aristotle to the 21st century
Reptile
The fish-eating crocodilian with a long, narrow snout
Mammal
The world's most endangered marine mammal
Mammal
The largest cat species on Earth
Mammal
The largest land animal alive today
Mammal
The smaller cousin of Africa's giant
Mammal
The gentle giant of Rwanda's volcanoes
Mammal
The small forest hippo of West Africa
Mammal
The largest animal that has ever lived
Mammal
Madagascar's nocturnal oddity
Mammal
Australia's feisty marsupial scavenger
Mammal
The fiery-furred resident of the Himalayas
Mammal
The forest giraffe of the Congo
Mammal
The long-limbed acrobat of Central American forests
Mammal
The last truly wild horse
Mammal
The singing ape of the canopy
Mammal
The peaceful ape of the Congo Basin
Mammal
The golden-striped kangaroo that lives in trees
Mammal
Our closest living relative
Mammal
Borneo's big-nosed swimmer
Mammal
Africa's cooperative pack hunter
Mammal
The black-and-white forest gardener
Fish
Second-largest fish; gentle plankton feeder
Bird
Tallest North American bird and conservation icon
Bird
Long-legged raptor that stamps snakes
Mammal
The tool-using keystone of the kelp forest
Mammal
The soft-furred rodent of the Andes
Bird
Alpine parrot renowned for curiosity
Mammal
The wallowing bovine of Asia
Bird
Flightless purple swamphen of New Zealand
Mammal
Madagascar's striped-tailed, sun-bathing primate
Mammal
Diurnal termite-eating marsupial
Reptile
The largest lizard on Earth
Fish
The largest fish in the world
Fish
The fastest shark in the ocean
Bird
One of the most intelligent talking birds
Mammal
Endangered fruit bat of island canopies
Mammal
Dancing lemur of Madagascar's spiny forest
Mammal
Spotted Tasmanian survivor lost from the mainland
Fish
Queensland river survivor from the age of dinosaurs
Fish
Seagrass-munching hammerhead of warm shallows
Fish
The gentle giant that flies through the sea
Amphibian
The largest frog on Earth
Bird
Nature's clean-up crew on broad soaring wings
Mammal
The social big cat of the African savanna
Fish
The ocean's most famous apex predator
Mammal
The bamboo-eating bear of China's mountains
Mammal
The tallest animal on Earth
Bird
The widest wingspan on Earth
Reptile
The giant jellyfish specialist
Mammal
The stealthy, tree-climbing big cat
Mammal
The largest land carnivore, ruler of the Arctic
Mammal
The tree-climbing cat of Asian rainforests
Mammal
The deep-diving giant with the largest brain
Reptile
The prehistoric lure-fishing giant of American rivers
Mammal
The armour-plated one-horned giant
Fish
The heaviest bony fish
Mammal
The world's most colourful primate
Mammal
The Arctic migrator and both-sex antlered deer
Mammal
The fastest land animal on Earth
Fish
The whip-tailed hunter
Mammal
The tusked giant of the Arctic ice
Fish
Labyrinth fish famous for vivid fins
Mammal
South America's two-metre tongue specialist
Reptile
The powerful-jawed sea turtle
Mammal
The sleek greyhound of the seas
Fish
The toothy aquarium shark
Mammal
Australia's wild dog of the outback
Mammal
The smallest bear of Southeast Asia's rainforests
Mammal
Australia's iconic eucalyptus-eating marsupial
Mammal
The gentle sea cow of warm coastal waters
Fish
The docile reef bottom-dweller
Mammal
India's shaggy insect-eating bear
Bird
The thunderbird of Borneo's rainforest
Bird
Giant New World vulture of the Andes
Bird
Largest flying parrot, cobalt blue
Mammal
The only bear native to South America
Mammal
The elusive ghost of the mountains
Bird
Giant swamp bird with a shoe-shaped bill
Reptile
Eyelash-crested gecko of New Caledonia
Mammal
Africa's deadliest large land mammal
Mammal
The gentle sea cow of the Indo-Pacific
Mammal
Cat-like apex predator of Madagascar
Reptile
North America's hinged turtle
Fish
The fish that built Atlantic nations
Mammal
Long-eared desert bandicoot
Reptile
The world's longest venomous snake
Insect
The insect that migrates thousands of miles
Fish
The tiny fish where fathers give birth
Amphibian
Blind cave salamander of European karst
Bird
New Zealand's flightless nocturnal bird with nostrils at the tip of its bill
Fish
The colorful fighter of Southeast Asian waters
Reptile
The giant tortoise that can live over a century
Invertebrate
The world's largest land arthropod and tree-climbing island giant
Mammal
The smiling marsupial of Western Australia
Fish
Yellow coastal shark of mangrove nurseries
Fish
Warm-blooded hunter of cold Atlantic seas
Fish
Mediterranean voltage trap of the sandy seabed
Bird
The white owl of the Arctic tundra
Fish
The shark that swims into freshwater
Invertebrate
The ancient living fossil with blue blood
Bird
The colorful 'sea parrot' of the North Atlantic
Mammal
The shaggy ox of the high Himalayas
Invertebrate
The reef-dwelling giant of the mollusks
Amphibian
North America's giant, fully aquatic salamander
Mammal
The crimson-faced monkey of the flooded Amazon
Mammal
The wild sheep of the Central Asian hills