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 ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

1. Natural History and the Twenty-First Century -- 2. Bison of the Past, Present, and Future -- 3. The Study and the Badlands Ecosystem -- 4. Social Spacing and Land Use Systems -- 5. Population ...