A crocodile
The crocodiles have had a much greater diversity of forms in the past. Examples include fast runners, digging and burrowing forms, herbivores, and ocean-going species University of Bristol
New research by scientists at the University of Bristol explains how a ‘stop-start’ pattern of evolution, governed by environmental change, could explain why crocodiles have changed so little since the age of the dinosaurs.
Crocodiles today look very similar to ones from the Jurassic period some 200 million years ago. There are also very few species alive today – just 25. Other animals such as lizards and birds have achieved a diversity of many thousands of species in the same amount of time or less.
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IMAGE: The crocodiles have had a much greater diversity of forms in the past. Examples include fast runners, digging and burrowing forms, herbivores, and ocean-going species view more
Credit: University of Bristol
New research by scientists at the University of Bristol explains how a stop-start pattern of evolution, governed by environmental change, could explain why crocodiles have changed so little since the age of the dinosaurs.
Crocodiles today look very similar to ones from the Jurassic period some 200 million years ago. There are also very few species alive today - just 25. Other animals such as lizards and birds have achieved a diversity of many thousands of species in the same amount of time or less.
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Date: 27 May 2021