The "first whale," a creature whose lifestyle (living on land but eating fish from the nearby sea) represented the early stage of this transition into the water, was a wolf-size fish eater that ...

Whales may rule the oceans nowadays, but one of their ancient relatives, a 6-foot (1.8 meter) predator, may have dominated on land before this lineage transformed into marine animals.

The next time you see a whale, remember—it carries the memory of walking ancestors, hidden just beneath the surface. The post Whales Have Tiny Leg Bones Because Their Ancestors Walked on Land ...

It was a strange decision for a mammal. To turn back, 300 million years after vertebrates first colonized land, and crawl back into the sea. Yet that's exactly what the ancestors of whales did ...

The earliest whales are said to have roamed the Earth 50 million years ago.Despite what you may think, the earliest ancestor of the whale was a land-walking mammal called the Pakicetus.. Even ...

Over time, whale's ancestors adapted to this new environment. (gentle music) Scientists compared the DNA of hippos and whales to find out how. - Genome of whales.

Whale ancestors with four legs are ample in the North American fossil record. Researchers found a 41.2 million-year-old whale ancestor off the shores of South Carolina in 2014.

Although today's whales live in the water, their ancestors started out on land and gradually evolved into sea creatures. The earliest known whale, the wolf-size Pakicetus attocki, lived about 50 ...

The evidence: a 43 million-year-old fossil of a previously unknown whale ancestor with four legs, detailed for the first time in a paper published in the journal Proceedings of the Royal Society B.

WASHINGTON — It sounds like a stretch, but a new study suggests that the missing evolutionary link between whales and land animals is an odd raccoon-sized animal that looks like a long-tailed ...

Legs Propelled Whale Ancestor A paleontologist has discovered a missing link in the evolutionary chain of whales. ... LYDEN: So it didn't use them for walking on land, obviously.

NEW YORK — By moving into the water full-time, the ancestors of whales paved the way for their descendants to become behemoths, largely free from gravity's constraints. Today, the blue whale is ...