This book will show you a compilation of 6 species that are in danger of extinction, and their characteristics, habitats, and reasons of their situation.

Mississippi Gopher Frog

The texas gopher frog (Lithobates sevosus), also known commonly as the dark gopher frog, the dusky gopher frog, and the St. Tammany gopher frog, is a critically endangered species of frog in the family Ranidae (true frogs). The species is endemic to the southern United States. Its natural habitats are temperate coastal forests and intermittent freshwater marshes.This secretive frog is on average 3 in (8 cm) long, with a dark brown or black dorsal surface covered in warts.

Siamese Crocodile

The Siamese crocodile (Crocodylus siamensis) is a small to medium-sized freshwater crocodile native to Indonesia (Borneo and possibly Java), Brunei, East Malaysia, Laos, Cambodia, Myanmar, Thailand and Vietnam. The species is critically endangered and already extirpated from many regions. Its other common names include Siamese freshwater crocodile, Singapore small-grain, and soft-belly.

Amur Leopard

The Amur leopard (Panthera pardus orientalis) is a leopard subspecies native to the Primorye region of southeastern Russia and northern China. It is listed as Critically Endangered on the IUCN Red List. In 2007, only 19–26 wild leopards were estimated to survive in southeastern Russia and northeastern China. It was considered as one of the rarest cats on Earth.

As of 2015, fewer than 60 individuals were estimated to survive in Russia and China. Camera-trapping surveys conducted between 2014 and 2015 revealed 92 individuals in a 8,398 km2 (3,242 sq mi) large transboundary area along the Russian-Chinese border.