Surprising Facts About Endangered Species and Conservation

Despite its size, the blue whale is listed as endangered due to threats like ship strikes and entanglement in fishing gear.

The black-footed ferret was once thought extinct but was rediscovered in 1981 and has since been the focus of successful conservation efforts.

Sea turtles have been around for over 100 million years, surviving the extinction of dinosaurs, but today nearly all species are threatened with extinction.

The critically endangered vaquita, a small porpoise found in the Gulf of California, is the world's rarest marine mammal with fewer than 10 individuals left.

Amur leopards are one of the most endangered big cats, with around 100 individuals remaining in the wild, primarily due to habitat loss and poaching.

The Javan rhino has only one known population left in the wild, residing in Ujung Kulon National Park in Indonesia, with less than 75 individuals.

The Axolotl, a type of salamander, is critically endangered in the wild but is thriving in captivity due to its popularity in research and as a pet.