“If you give a mouse a cookie,” begins the children’s classic by Laura Joffe Numeroff, “he’s going to ask for a glass of milk.” The mouse moves in and becomes ever more demanding of the child who fed ...

Sticking your tongue out while letting out a bellowing grunt may not be the best way to find a significant other for humans, but the trick sure works for male bison. The bulls' pickup line is known as ...

If you are interested in birds, you really have to be interested in birds songs — and really any kind of sounds birds make. Generally the term “bird calls” is used to encompass sounds of any kind, but ...