Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Marine mammals—a group of animals that are ecologically tied to the ocean environment—cannot thrive in confinement. No concrete tank or small sea pen can provide an animal with anything close to the ...

Aquatic – Any animal that lives or feeds ... Foxes are an example of an omnivorous mammal. Rodent – A small mammal with a pair of long front teeth used for gnawing. Rats, mice, hamsters ...