What waddled on land but swam supremely in subtropical seas more than 60 million years ago, after the dinosaurs were wiped out on sea and land?
Click here for original story, When penguins ruled after dinosaurs died
Source: Phys.org
What waddled on land but swam supremely in subtropical seas more than 60 million years ago, after the dinosaurs were wiped out on sea and land?
Click here for original story, When penguins ruled after dinosaurs died
Source: Phys.org