- Sumatran tiger (Panthera tigris sumatrae) - native to the island of Sumatra in Indonesia, critically endangered due to poaching and habitat loss
- Amur leopard (Panthera pardus orientalis) - found in the Russian Far East and northeast China, critically endangered due to poaching and logging
- Mountain gorilla (Gorilla beringei beringei) - found in the Virunga Mountains of Central Africa, critically endangered due to poaching and habitat destruction
- Sumatran orangutan (Pongo abelii) - native to the rainforests of Sumatra, Indonesia, critically endangered due to deforestation for agriculture and logging
- Javan rhino (Rhinoceros sondaicus) - found in Ujung Kulon National Park in Java, Indonesia, critically endangered due to poaching and habitat loss
- Iberian lynx (Lynx pardinus) - native to the Iberian Peninsula in Spain and Portugal, critically endangered due to habitat loss, hunting, and road accidents
- Cross River gorilla (Gorilla gorilla diehli) - found in the forests of Cameroon and Nigeria, critically endangered due to poaching and habitat destruction
- Hawksbill turtle (Eretmochelys imbricata) - found in tropical oceans worldwide, critically endangered due to over-exploitation for its shell and egg consumption, as well as habitat destruction
- Black rhinoceros (Diceros bicornis) - native to Africa, critically endangered due to poaching and habitat loss
- Giant panda (Ailuropoda melanoleuca) - found in the mountains of central China, vulnerable due to habitat loss and poaching
This list is not exhaustive, and there are many other species across different taxonomic groups that are also at risk of extinction due to human activities and environmental changes. Conservation efforts, including habitat protection, sustainable resource management, captive breeding programs, and public awareness, are crucial in preventing the extinction of these and other threatened species.