The hippopotamus, a semi-aquatic hoofed mammal that is native to parts of sub-Saharan Africa, spends most of the day either ...

Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures?

Animals are labeled as herbivore, carnivore ... To truly look nature in the mouth is another.

Evolution has resulted in the development of both herbivores and carnivores – but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures?