All of the mentioned species are classified as Critically Endangered by the IUCN due to habitat loss, poaching, and other human-induced threats.

Poaching for their horns, which are highly valued in traditional medicine, is the primary cause of the decline in Sumatran Rhino populations.

The Giant Panda is known for its distinctive black-and-white markings, which help it camouflage in its mountainous habitat.

Poaching for its horn, which is believed to have medicinal properties, is the primary threat to the survival of the Javan Rhinoceros.

The Mountain Gorilla is the largest living primate, known for its majestic size and critically endangered status due to habitat loss and poaching.

The Amur Leopard primarily inhabits temperate forests, particularly in the remote and rugged regions of the Russian Far East and Northeast China.

The Leatherback Sea Turtle is known for its exceptional diving abilities, reaching depths of over 1,000 meters, and its long migrations across vast oceans.

The Vaquita porpoise is critically endangered primarily due to bycatch in fishing nets, particularly in gillnets used for catching shrimp and fish.

The Blind River Dolphin, found in the Ganges and Brahmaputra river systems, is critically endangered and known for its unique ability to echolocate and navigate in complete darkness.

The Cross River Gorilla primarily inhabits montane forests, specifically in the mountainous regions of Cameroon and Nigeria.

The Giraffe, with its distinctive long, slender neck and graceful movements, is critically endangered due to habitat loss and poaching.

Poaching for its horn, which is highly valued in traditional medicine and illegal wildlife trade, is the primary threat to the survival of the Black Rhino.

The Chameleon, known for its exceptional camouflage abilities and its ability to change color, is critically endangered due to habitat loss and illegal wildlife trade.

The Snow Leopard primarily inhabits mountainous regions, particularly in the high-altitude ranges of Central and South Asia.

The Markhor, known for its distinctive spiral-shaped horns and its ability to climb trees, is critically endangered due to habitat loss and poaching.