On I want to recognize the Gibraltar 1 Neandertal skull. This year marks 150 since the publication of The Descent of Man, and this skull was the only skeletal evidence of an extinct human ancestor that Charles Darwin encountered.

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Happy birthday, Charles Darwin!

In honor of don’t forget that you can read ALL of his published work online, including "On the Origin of Species", completely free of charge.

Check it out here: https://t.co/ZjGQYNYQ8W

Via

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On allow me to introduce you to the Darwin's or an canid endemic to (Yes, foxes are called Zorros in Canids of the world prints on https://t.co/9gypahB8lP

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It's which is all the excuse I need to post this of the large aquatic sloth Thalassocnus. Darwin never knew of this species or the awesomeness of aquatic sloths in general, but he recovered many bones of other large and giant extinct sloths in his travels.

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A few more images to celebrate taken from copies of the Voyage of the H.M.S. Beagle

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In honor of a new post on the surprising drawings on the "Origin of Species" MS. http://t.co/rINLJvPEEh

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