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.

An analysis of skull and vertebrae fossils suggests that an early relative of giraffes butted heads to compete for mates, which may reveal why modern giraffes are so throaty. “Discokeryx has extreme ...

Description: The tallest land mammal, with a neck as long as 6 feet, the giraffe is also well known for the unique brown and white pattern on its coat (“pelage”) and its lengthy eyelashes and legs.

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 ...

With poaching all but quashed by the government and without any natural predators ... have suggested that the giraffe’s long neck is actually a function of sexual selection.

Animation describing the evolution of the giraffe. Sam, a young tortoise, wishes he had a longer neck to reach the nicest leaves. Grandad Charlie tells Sam a story about giraffes. Long ago ...

It has also been suggested that the animals grew larger to enable them to flee from predators in grasslands but needed a long neck to drink water on the ground. Giraffes are known to have high ...

Animation describing the evolution of the giraffe. Sam, a young tortoise, wishes he had a longer neck to reach the nicest leaves. Grandad Charlie tells Sam a story about giraffes. Long ago ...