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.

In the vast tapestry of nature, few animals capture the imagination quite like the giraffe. With their towering necks and ...

Imagine standing face to face with a giraffe, your neck craned back as you gaze up at this gentle giant towering over you. At ...

Mara and her calf have split from the herd to bond after labor and delivery, zoo officials said. When they rejoin the herd, ...

It's not often that something six-feet tall is cute, but that's the case for a Masai giraffe calf born at the San Diego Zoo ...

but it takes a different approach to natural selection. Lamarckism proposes that animals acquire characteristics based on use or disuse during their lives, rather than through hard-coded genetic ...