Some animals that are included on the endangered species list are the western lowland gorilla, the leatherback turtle and the Amur leopard. As of 2015, these animals are categorized as critically endangered by the Intern... More » Pets & Animals Animal Reproduction

The International Union for Conservation of Nature and Natural Resources notes that Chinese water deer are threatened by poaching and destruction of their natural habitats. Chinese water deer are listed as vulnerable on ... More » Pets & Animals Mammals Deer

Koalas are not listed as endangered, according to the International Union for Conservation of Nature Red List of Threatened Species. However, koalas are suffering lower populations from loss of habitat and predators. Pas... More »

As of 2015, animals listed as endangered by the World Wildlife Fund include the Amur leopard, black rhino, leatherback turtle, western lowland gorilla and North Atlantic right whale. Among the factors that cause these an... More » Science Biology Zoology

There are few observable traits distinguishing migrating animals from non-migratory species. Many birds, such as Arctic terns, mallards and bar-tailed godwits migrate across vast distances, while some of their close rela... More »

Some interesting facts about animals include that elephants have the largest brain of any mammal ever, many species of fish change gender depending on need, and beavers live 29-hour days during the winter. Because elepha... More » Pets & Animals Animal Reproduction

Among the most threatened species of animals worldwide are the ivory-billed woodpecker, Amur leopard, North Atlantic right whale, black rhino, Javan rhino, mountain gorilla, Cross River gorilla, tiger (including all subs... More »