Male giraffes have longer necks than females. For that reason, biologists have speculated that males drove the evolution of ...

Female Giraffes Drove the Evolution of Long Giraffe Necks in Order to Feed on the Most Nutritious Leaves, New Research Suggests (The Conversation is an independent and nonprofit source of news ...

Giraffes are among the world's most recognizable animals. With their elongated necks and long legs, their gracious movements ...

This story appears in the October 2019 issue of National Geographic magazine. At 14 to 19 feet tall, giraffes tower over the entire animal kingdom. But their iconic height, which evolved over ...

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 ...

Giraffe ossicones are important because they affect selection for reproduction and, therefore, evolution. Males with more developed ossicones look more intimidating and are more likely to win in a ...

For example, giraffes developed their elongated necks ... Unlike Darwin, Lamarck held that evolution was a constant process of striving toward greater complexity and perfection.

and is a crucial element of the theory of evolution. A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar ...

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 ...