Despite their name, killer whales (orcas) are actually dolphins.

Discover the list of mammals that live only in water, such as whales, dolphins, manatees, and dugongs. Learn how these fully aquatic mammals survive underwater, why they can’t live on land, and what ...

Earth's waters host diverse mammals like dolphins, whales, and manatees. These creatures possess unique adaptations for swimming and survival. They are crucial for maintaining healthy marine and river ...