Vaquita A small, critically endangered porpoise found only in the northern part of the Gulf of California. With fewer than 10 individuals remaining, it's the world's most endangered marine mammal, primarily threatened by illegal gillnet fishing.
Javan Rhino Once widespread across Southeast Asia, the Javan rhino is now limited to a single population in Ujung Kulon National Park in Indonesia. It is critically endangered due to habitat loss and poaching.
Yangtze Giant Softshell Turtle Considered the world's rarest turtle, with only three known individuals left in the wild. Found in the Yangtze River Basin, it is primarily threatened by habitat destruction and human encroachment.
Axolotl This aquatic salamander, known for its regenerative abilities, is native to the lakes of Mexico. It is endangered due to pollution, habitat loss, and invasive species affecting its wild populations.
Kākāpō A nocturnal, flightless parrot from New Zealand, the Kākāpō has fewer than 250 individuals remaining, all in captivity or on predator-free islands. It faces threats from introduced predators and habitat destruction.
Amur Leopard One of the rarest big cats in the world, the Amur leopard is found in the temperate forests of the Russian Far East and northeastern China. Its population has dwindled due to poaching, habitat loss, and a shrinking prey base.
Saola Often called the "Asian unicorn," this critically endangered bovine species was only discovered in 1992 in the Annamite Mountains of Vietnam and Laos. The saola is threatened by habitat destruction and hunting.