Syndactyly is the medical term for webbed or conjoined fingers or toes. In most cases the fingers are connected only by skin. It is rare that the bones are also fused together.
Dodo birds became extinct because of the combination of overhunting by humans and non-native predators that were introduced by humans to their native island. Dodo birds only inhabited the island of Mauritius, where they had no natural predators. Accordingly, the dodo bird had lost the power of flight and possessed few defensive behaviors by the time humans arrived on the island.
The Javan rhinoceros (Rhinoceros sondaicus) is one of the most endangered large mammals in the world. According to 2002 estimates, only about 60 remain, in Java (Indonesia) and Vietnam. It is also the least known rhino species. Like the closely related, and larger, Indian rhinoceros, the Javan rhino has a single horn.here are two subspecies of white rhinoceros: the southern white rhinoceros (Ceratotherium simum simum) and the northern white rhinoceros (Ceratotherium simum cottoni). As of 2013, the southern subspecies has a wild population of 20,405 â making them the most abundant rhino subspecies in the world.