This natural survival strategy, known as coprophagy, reveals how wildlife makes the most of every available resource.

"Learning more about digestion in other animals gives us a broader understanding of the evolutionary design of these important functions of the body," said Castoe. "This new information will ...

In this video, learn how lions, vultures and snakes break down food and begin to digest it. Welcome, class, to the grasslands of Africa, where we’ve come to see how various animals start the ...

Many bilaterally symmetrical animals, including humans, possess a continuous digestive tract that extends from the mouth to ...

The terminology of scientific specialties and sub-specialties is defined and animals are referred to by both their ... and brought together in a chapter on the evolution of the digestive system. The ...