Vaquita - This species of porpoise is found only in the Gulf of California and is critically endangered, with only an estimated 10 individuals left in the wild.
Javan Rhino - This species of rhino is one of the rarest large mammals in the world, with only around 70 individuals left in the wild.
Saola - Also known as the "Asian Unicorn," this rare species of antelope is only found in the Annamite Range of Vietnam and Laos, and is estimated to have a population of fewer than 100 individuals.
Amur Leopard - This species of leopard is native to the Amur region of eastern Russia and northeastern China and is one of the most endangered big cats in the world, with only around 80 individuals remaining in the wild.
Ivory-Billed Woodpecker - This species of woodpecker was once found throughout the southeastern United States, but has not been sighted since the 1940s, and is now considered critically endangered and possibly extinct.
Northern Hairy-Nosed Wombat - This species of wombat is found only in a small area of Queensland, Australia, and is critically endangered, with only around 300 individuals remaining in the wild.
Red Wolf - This species of wolf is found only in a small area of eastern North Carolina in the United States, and is one of the most endangered canids in the world, with only around 40 individuals remaining in the wild.
Spoon-Billed Sandpiper - This species of bird is found only in a small area of northeast Russia and is critically endangered, with only around 200 breeding pairs remaining in the wild.
South China Tiger - This species of tiger is one of the most critically endangered big cats in the world, with no known individuals in the wild and only around 100 in captivity.
Yangtze Giant Softshell Turtle - This species of turtle is found only in the Yangtze River in China and is considered critically endangered, with only three known individuals remaining in the world.