Orangutan

Orangutan

The orangutan was originally thought to be just one species, but in 1996 they were divided into two separate species: the Bornean orangutan (which can be divided into three subspecies) and the Sumatran orangutan. They are of the genus Pongo and the only surviving species of the subfamily Ponginae. The orangutan is the most solitary […]

Dolphin

Dolphin

The dolphin is a marine mammal within the order Cetacea. There are 40 extant species of dolphin. Dolphins, alongside other cetaceans, belong to the order Cetartiodactyla, with even-toed ungulates. Their closest living relatives are the hippopotamuses, having diverged about 40 million years ago. The bottlenose dolphin, like the sketch here, inhabits warm waters worldwide. They […]