In A Nutshell A giraffe’s heart burns 16% of its total resting energy just pumping blood upward to the brain, nearly double ...

If you've ever wondered why the giraffe has such a long neck, the answer seems clear: it lets them reach succulent leaves ...

In his book How Giraffes Work, zoologist Graham Mitchell reveals that the ancestors of giraffes had long legs before they ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

Sometimes, evolutionary selection can happen within a single generation of a species, research now shows. In response to a new predator, lizards on several Caribbean islands underwent selection first ...