The atlas · Evolution of life · Great transitions

Outline · being written

Whales go back to the sea

How land mammals became whales, step by step through the fossils.

The working diagram The fossils in order, with legs shrinking and nostrils moving back.
Page type
A lesson, led by a working diagram
Collection
Evolution of life, great transitions
When
About 50 million years ago to now, in the Paleogene, Neogene and Quaternary. The finished piece will give dates from its sources.
Status
Planned and outlined. Every fact in it will be checked against a named source and listed on Sources before it goes up.

Read alongside