He'd always left aquatic mammals well alone, and they had done the same to him.

This is a society for the care of aquatic mammals in human custody.

Preservation also does not explain why aquatic mammals sleep while moving.

Among others, seals and whales belong to the aquatic mammals.

"Nothing a man likes more than to be compared to a cold dip in the ocean with a couple of aquatic mammals."

She was the second ship of that name, after the whale family of aquatic mammals.

However, in aquatic mammals, such as whales, there is no great difference between the outer and inner environments.

How can aquatic mammals breathe in a water tank?

A sea lion is an aquatic mammal generally found in shallow waters.

Very likely the Gillies had been aquatic mammals once.