Mammals:
* Amur Leopard: (Critically Endangered) - found in the Russian Far East, facing habitat loss and poaching.
* Sumatran Orangutan: (Critically Endangered) - found on the Indonesian island of Sumatra, threatened by deforestation and habitat loss.
* Black Rhino: (Critically Endangered) - found in Africa, facing poaching for their horns and habitat loss.
* Mountain Gorilla: (Critically Endangered) - found in the Virunga Mountains of Central Africa, threatened by poaching and habitat loss.
* Vaquita: (Critically Endangered) - a small porpoise found only in the Gulf of California, threatened by entanglement in fishing gear.
Birds:
* Hawaiian Crow: (Critically Endangered) - the rarest bird in the world, found only on the island of Maui, threatened by habitat loss and introduced predators.
* California Condor: (Critically Endangered) - the largest land bird in North America, threatened by lead poisoning and habitat loss.
* Spix's Macaw: (Critically Endangered) - known from the movie "Rio," found only in Brazil, threatened by habitat loss and the illegal pet trade.
* Kakapo: (Critically Endangered) - a flightless parrot found only in New Zealand, threatened by introduced predators and habitat loss.
Reptiles:
* Leatherback Sea Turtle: (Vulnerable) - the largest sea turtle in the world, threatened by entanglement in fishing gear and habitat loss.
* Komodo Dragon: (Vulnerable) - found only on the Indonesian island of Komodo, threatened by habitat loss and poaching.
Amphibians:
* Golden Toad: (Critically Endangered) - once common in Costa Rica, but now presumed extinct due to climate change and disease.
* Panamanian Golden Frog: (Critically Endangered) - found only in Panama, threatened by a fungal disease.
Fish:
* Atlantic Sturgeon: (Critically Endangered) - a large fish found in North America, threatened by overfishing and habitat loss.
* Chinese Paddlefish: (Critically Endangered) - found only in the Yangtze River in China, likely extinct due to overfishing and dam construction.
Insects:
* Monarch Butterfly: (Endangered) - found throughout North America, threatened by habitat loss and pesticide use.
Other:
* Giant Panda: (Vulnerable) - found only in China, threatened by habitat loss and bamboo fragmentation.
This is just a small sampling of the many animals facing extinction. The IUCN Red List is a great resource to learn more about the status of different species and the threats they face. It's important to remember that this is a global issue, and we all have a role to play in protecting endangered animals.