Why would Paleocene males lay eggs?

Today, Phil and I get back to talking about the history of life and evolution, with the Paleocene epoch. During this time the birds spread out and diversify, along with the mammals. We talk about the early versions of the hooved animals and elephants, and a few other creatures. And I misspell champsosaurus. Hurray!

Here’s an article about a paleontologist and his work with the Paleocene epoch.

26 Years Deep in the Paleocene

And here’s an article about the mammals of the Paleocene.

Paleocene mammals of the world