Gray wolves range in color from grizzled gray or black to all-white. As the ancestor of the domestic dog, the gray wolf resembles German shepherds or malamutes.

: https://defenders.org/gray-wolf/basic-facts

Diet. Polar bears feed almost exclusively on ringed seals and bearded seals. They are also known to eat walrus, beluga whale and bowhead whale carcasses, birds’ eggs, and (rarely) vegetation. Polar bears travel great distances in search of prey.

: https://defenders.org/polar-bear/basic-facts

A polar bear cub stays with its mother until it is about two years old. Polar bears are highly intelligent and playful. In the wild, two or more bears sometimes form “friendships” that last for weeks or even years.

: https://animals.sandiegozoo.org/animals/polar-bear

Only 17% of the gorilla population currently lives in protected regions, and vast areas of gorilla forest have already been lost. That destruction continues as logging companies clear areas for the timber trade, the mining and oil and gas industries move into gorilla territory, and local people cut down trees to make room for agricultural fields and livestock.

: https://www.worldwildlife.org/species/gorilla

Cheetah definition is – a long-legged, swift-moving cat (Acinonyx jubatus) about the size of a small leopard with a yellowish to tan coat covered with numerous round to oval black spots and blunt claws that only partially retract and having a current range restricted to Africa and isolated parts of Iran. Did You Know?

: https://www.merriam-webster.com/dictionary/cheetah