- Amur Leopard (Panthera pardus orientalis): An extremely rare leopard subspecies found only in the remote forests of the Russian Far East.
- Mountain Gorilla (Gorilla beringei beringei): A critically endangered subspecies of gorilla found in the Virunga Mountains of the Democratic Republic of Congo, Uganda, and Rwanda.
- Sumatran Elephant (Elephas maximus sumatranus): A subspecies of Asian elephant native to the island of Sumatra, Indonesia, facing severe threats from habitat loss and poaching.
- Sumatran Orangutan (Pongo abelii): A great ape species found only on the island of Sumatra, Indonesia, experiencing critical population declines due to deforestation and illegal trade.
- Northern White Rhino (Ceratotherium simum cottoni): This subspecies of rhinoceros was declared extinct in the wild in 2018, with only two individuals remaining in captivity under heavy protection.
- Vaquita (Phocoena sinus): A small porpoise species endemic to the Gulf of California, Mexico, critically endangered due to illegal fishing practices and bycatch.
These species represent a small portion of the many critically endangered animals globally, highlighting the urgent need for conservation efforts and international cooperation to protect and preserve these vulnerable populations from extinction.