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Evolution of the Beaver
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Evolution of the Beaver
The Liacondan
The Lincondan is a beaver that lived about 70 Million years ago. It weighed about 50 kg.
The last ancestor of the Beaver is the Modern Urban Beaver. It is smaller and more adapted to crowded areas.
Castorocauda
Has thick single layered fur, a broad scaly tail, webbed feet, and seal like teeth for eating fish.
100 years ago
70 million years ago
10 million years ago
modern day
165 million years ago
The Castoroide
Sac
Or the giant Beaver. It lived 3-10 million years ago. It was 8 feet long and 230 lbs! Also the Castoroide was the first Beaver to build dam's.
The Castorocauda
The American Beaver
Is the first ancestor of the beaver. It is a small beaver that lived in the late Jurassic period. It is believed that it evolved from small reptiles.
The american Beaver is 10-14 inches tall and weighs 22-75 lbs. The American Beaver cared on the tradition of building dam's.