Explore Theory Of Evolution, Natural Selection and more!

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The last shore-dwelling ancestor of modern whales was Sinonyx, top left, a hyena-like animal. Over 60 million years, several transitional forms evolved: from top to bottom, Indohyus, Ambulocetus, Rodhocetus, Basilosaurus, Dorudon, and finally, the modern humpback whale.

Charles Darwin's theory of evolution and natural selection isn't an idea with holes. It's one of the most solid theories in science. But what exactly is it?

Today, Wādī al-Ḥītān (the Valley of Whales) is in the middle of western egyptian desert, but once it was covered by the sea and was the home of this "crocodilesque" ancestor of modern whales, the Basilosaurus: a 49/59 feet long predator with 44 sharp, harpoon-like teeth. When the sea became to dry, whales were simply unable to escape.

A 40 million year old whale fossil (archaeoceti - extinct sub-order of whales) from "whale valley" (Wadi Al-Hitan - paleontological site in the Al Fayyum Governate of Egypt in Egypt), not far from Cairo.

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What Extinct Animal Would You Most Like A Chance To See?

Pleistocene Lions, Pleistocene Tigers and Smilodon populator relative Body Size/Mass

Ótima ilustração da escala de espécies (algumas já extintas), para efeito de comparações de tamanhos.

The blue whale is the largest animal alive today. Depending on the location, blue whales can grow to be 33 meters feet) and weigh as much as 181 metric tons.They can live to be 90 years old and ingest about metric tons of krill each day.

Stop poaching! Stop hunting these beautiful animals! Ivory is worthless to humans, but very important to elephants. Obviously!

Stop poaching! Stop hunting these beautiful animals! Ivory is worthless to humans, but very important to elephants. Obviously! This is so depressing.

This girl receives gifts from the crows she has been feeding since she was four years old.

This girl receives gifts from the crows she has been feeding since she was four years old. <<< She is a disney princess<<Well, corvids are known to be generous to those who help them.

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