Beluga whales and narwhals (the ones with the unicorn like horn on their head) are found only in our arctic waters today. But a recent discovery reveals a new toothed whale species that lived in warm water regions, even tropical regions, way back in the day. The cause for this change from warm to cold regions is still unknown.
More: http://www.macroevolution.net/bohaskaia-monodontoides.html#.T67Np8VaKSo
http://www.macroevolution.net/bohaskaia-monodontoides.html#.T67Np8VaKSo
No comments:
Post a Comment