
The other day I ended the art challenge for evolution with this drawing of the fossilized remains of this ancient bird. It is a great transition to the post for today – prehistoric.

Brontops, an ancient mammal, drawn from a diorama at the Field Museum in Chicago.

Smilodon, the skull of a saber-toothed cat. I think that I drew this at the Field Museum in Chicago.

A final ancient mammal skull, a Unitathere.
All of these ancient mammals (and a bird) were found in the New World from thousands to millions of years ago.
The art challenge for tomorrow is shelled.
More tomorrow…