LOUISVILLE, Ky., Sept. 8.—“Wild Animals” was the classification under which a bushel of snails, imported from Italy by a Louisville fruit dealer, had to pay duty in the Custom House here.

Animals can be divided into groups. We call this 'classification'. Classification allows us to group animals together depending on their similarities and differences. Animals are divided into two ...

classification, theory, et cetera, but I still felt like I was on the outside looking in: And I had no teachers. Studying the ways animals communicate with sounds and gestures was the hook I ...

But already we have ascertained that humans are shaping the evolutionary trajectories of animals across the globe, from insects to whales. As a result of our influence, key aspects of animal ...

Now, experts in linguistics, biology and cognitive science suspect that components of language might be shared across species, illuminating the inner lives of animals in ways that could help ...