A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.

Although male and female giraffes have the same body proportions at birth, they are significantly different as they reach sexual maturity. Females have proportionally longer necks and longer ...

Zoo Miami shared that it is searching "for any indication of what may have led to this very sad incident." On Monday, Zoo Miami announced a female giraffe calf was found dead at the Florida park ...