All mammals are vertebrates. A vertebrate is any living being with a backbone or a spine. More »

The five main groups of vertebrates, known as classes, are: fish, amphibians, reptiles, birds and mammals. Vertebrate species are assigned groups based on shared traits, such as body covering, the ability to maintain a s... More »

Mammals are defined as being warm-blooded, air breathing vertebrates with hair or fur and the ability to nurse their young, notes the San Diego Zoo website; humans and some bat species are examples of mammals without vis... More »

Fish are vertebrates that have two-chambered hearts consisting of a single atrium and a single ventricle. The atrium is responsible for taking in returning blood from the body, while the ventricle's duty is to pump out b... More »

Wolverines have a diverse diet that includes small mammals in the summer months and large or decaying animals in the winter months. Wolverines live in highly rugged mountain regions and traverse these environments in sea... More » Pets & Animals Mammals

Bats are the only mammals capable of flight, according to Defenders of Wildlife. A bat's wing consists of elongated fingers with a thin membrane stretching between them. More »

Two mammals that might pollinate a plant are a deer and a squirrel. Other animals that possibly would pollinate a plant include elephants, bats, birds, monkeys, butterflies, moths and beetles. More »