Once widespread across Southeast Asia, Javan rhinos have dwindled to a mere 75 individuals, confined to Indonesia's Java Island.
With only about 100 left in the wild, Amur leopards face critical endangerment due to habitat loss and human activity in Russia and northeastern China.
The smallest tiger subspecies, the Sunda Island tiger, is now restricted to Sumatra, Indonesia, with an estimated population of around 600.
Living in high-altitude forests of central Africa, mountain gorillas number just over 1,000 individuals. Conservation efforts have helped stabilize.
Discovered in 2017, Tapanuli orangutans number fewer than 800 in the forests of Sumatra. Deforestation for agriculture and infrastructure.
The last freshwater porpoise, residing in China's Yangtze River, faces extinction due to water pollution and habitat loss.
With populations decimated by poaching, black rhinos now number around 5,630 across Africa. Conservation efforts have seen some success.
These elusive elephants have declined by 86% due to poaching and habitat loss in Central and West Africa. Fragmented habitats and human.
Found exclusively on Sumatra, these orangutans number less than 14,000 due to habitat destruction and illegal wildlife trade.
Facing an 80% population decline over three decades, Hawksbill turtles are threatened by habitat degradation.