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?

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?

PRESENTER:Other animals survive on a diet of plants, fruits and vegetables, these are called herbivores. They include large animals, like elephants and horses, but also smaller animals ...

Detailed livestock models are important for land-use planning, disaster relief and food insecurity. Researchers have used dung records to create high-resolution maps of herbivore distribution ...

Until now, the largest known hadrosaurid skeleton belonged to Shantungosaurus, discovered in Shandong province, China, which reached 16 meters in length.