For centuries, scientists have observed that animals in warmer climates have longer limbs—a pattern known as Allen's Rule.

With the smart AI-powered camera of this feeder, birders can watch their bird guests indulge in playful gestures, anytime, ...

The remarkable feeder comes with endless high-tech features, a high-resolution camera, and a design that lures birds.

(As opposed to our own binocular vision that uses both eyes in concert.) This gives the birds a 270-degree field of vision when their heads are perfectly still. But as most turkey hunters know, this ...

Both views are also set against views of the human brain then and now. Edinger's vision of a bird's neuroanatomy was widely held until about 30 years ago. Studies of brain chemicals and neural ...

Rowe, M. P. Evolution of vertebrate colour vision. Clinical and Experimental Optometry 87, 206–216 (2004). Kilner, R. M. The evolution of egg colour and patterning in birds. Biological Reviews ...

After training in the desert, falcons are tied to perches for the drive back to Dubai. The birds’ vision is so acute that subtle movements or changes in light can startle them. Hooding ...