Amur Leopard: This beautiful big cat, native to the border regions of Russia and China, is critically endangered with only around 100 individuals remaining in the wild.
Vaquita Porpoise: The world's smallest and most endangered porpoise species, the vaquita is endemic to the Gulf of California in Mexico.
Sumatran Orangutan: The only orangutan species native to Indonesia, the Sumatran orangutan is critically endangered due to habitat loss.
Black Rhinoceros: Once widespread across Africa, black rhinos are now critically endangered due to poaching for their horns.
Mountain Gorilla: Found only in the Virunga Mountains of Central Africa, mountain gorillas are critically endangered due to habitat loss.
Saola: This mysterious deer species native to the Annamite Mountains of Vietnam and Laos, is critically endangered due to habitat loss.
Northern White Rhinoceros: Tragically, the northern white rhinoceros is declared extinct in the wild as of 2018.
Axolotl: This unique amphibian, found in the Xochimilco canals near Mexico City, is critically endangered due to water pollution.