To the casual observer on a photo safari, the giraffe is an iconic, gentle giant browsing the acacia tops. But to a cardiovascular physiologist, a giraffe is a walking, breathing hydraulic paradox.

But this extreme feature comes at a cost: namely the energy required for the heart to pump blood up to the head against gravity. As a result, giraffes have high blood pressure, more than twice that of ...

All the Latest Game Footage and Images from Giraffe Evolution Long neck, camel-like shape, leopard-like coloring and horn-like ossicones don’t come out of nowhere: giraffes are naturally bizarre. What ...

Giraffes may look peaceful, but their biology tells a different story. With devastating neck strikes and kicks strong enough to kill lions, they’re far from defenseless. This breakdown explores ...

The Cheyenne Mountain Zoo is celebrating 100 years in 2026, and they’re ringing in this milestone in a major way. The construction of a new welfare-focused facility is underway, which the Cheyenne ...