Why haven't crocodiles changed?

10 May 2010
Presented by Diana O'Carroll.

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Crocodiles have been the same for millennia upon millennia. What's going on? Why are they so uneventful in terms of evolution? Plus, we ask why we have different blood types.

In this episode

Nile Crocodiles

00:00 - Why haven't crocodiles changed?

Crocodiles have been the same for millennia upon millennia. What's going on? Why are they so uneventful in terms of evolution?

Why haven't crocodiles changed?

Crocodiles have been the same for millennia upon millennia. What's going on? Why are they so uneventful in terms of evolution? Plus, we ask why we have different blood types.

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