Across Africa’s open grasslands, the secretary bird (Sagittarius serpentarius) stands apart from other birds of prey. With crane-like legs and the hunting instincts of an eagle, it stalks the ground ...

In the vast golden grasslands of sub-Saharan Africa, the secretary bird makes an unforgettable sight — long-legged, crested, and stalking the savanna with deliberate, high-stepping precision. Famous ...

For centuries, scientists have observed that animals in warmer climates have longer limbs—a pattern known as Allen's Rule. Long attributed to the need to maintain body temperature, the precise ...

Bats are incredibly diverse animals: They can climb onto other animals to drink their blood, pluck insects from leaves or hover to drink nectar from tropical flowers, all of which require distinctive ...

Bird physiology is conducive to flight: small size, hollow bones, and generally symmetrical feathers on the wings and tail. It seems like a no-brainer that bird evolution was optimized for flight, but ...

Bird wing shape -- a proxy for long-distance flying ability, or dispersal -- is a trait that influences biodiversity patterns on islands around the world, according to biologists. You can know a lot ...