Virginia rail
The Virginia rail probe with its bill in mud or shallow water, also picking up food by sight. It mainly eat insects and other aquatic invertebrates, like beetles, flies, dragonflies, crayfish, snails and earthworms. It can also eat aquatic animals like frogs, fish and some small snakes, as well as seeds. Animal preys constitute the biggest part of this bird's diet, but vegetation contributes to its diet in the fall and winter.
Japanese eagle ray
The Japanese eagle ray is demersal, usually inhabiting sea floors and feeding on benthic animals. In particular, it is known to eat crustaceans, fish, and sometimes benthic plants. Like all mylobatids, the species is ovoviparous. Embryos initially feed on yolk. They later receive nourishment by indirectly absorbing uterine fluid from their mother. Little else is known about the biology of this species.