Because the group of animals called amphibians do some things that penguins can't.
Amphibians can breathe through the skin, which penguins can't. Penguins can - and need to - maintain body heat, while amphibians will happily take on the ambient temperature.
amphibian
An amphibian is an animal that can live in the water and on land.
An animal that can live on land and water is called an amphibian.
No, an amphibian(like a frog) is a creature that can live in water and on land. Chipmunks are rodents.
On land - it is a mammal - not a fish or amphibian !
Amphibian
no, it is a fish, and amphibian would be able to live between water AND land. a whiting cannot
on land and in the water
an amphibian like a frog or salamander.
Amphibian
An amphibian
Frog belong to phyllum Chordata and Class-Amphibia so is the living habit of frog they are Amphibian in nature and can live on land and in water other amphibian is salamander