The results of inbreeding can be very distressing to witness. In this Instagram post, we see a captive lion with skull ...

Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 ...

Researchers have identified a "mating arena" at Dinosaur Ridge where male theropods gathered during the Cretaceous period to display in front of females. When you purchase through links on our site, ...