Hainan hare black crested gibbon, one of the world's rarest primates. There is no control for overhunting of this rabbit and habitat destruction, even though it is considered endangered. Little is known on specific populations. Hainan hare The Hainan hare ("Lepus hainanus") is a species of hare endemic to Hainan Island, China. The Hainan hare is small; its body length is less than and weighs only . Its head is small and round. It has long ears that are longer than its hind feet. The upper part of the tail is black, while the under parts are white. It has a more
European rabbit naked, have white flesh, and little sexual dimorphism. However, the two differ in skull characteristics, and cottontails do not habitually construct their own burrows as the European rabbit does. Molecular studies confirm that the resemblance between the two is due to convergent evolution, and that the European rabbit's closest relatives are the hispid hare, the riverine rabbit and the Amami rabbit. The oldest known fossils attributed to the modern European rabbit species are around 0.5 Ma old (Middle Pleistocene). , six subspecies are recognised. The European rabbit is smaller than the brown and mountain hare, and lacks black ear-tips, as