That led to a unique discovery about animal eyes. “When a goat lowers its head, the pupil rotates in the head so its horizontal shape remains parallel to the ground,” he says. “These animals ...

The researchers gathered information on 214 species. They noted the pupil shape and the location of the eyes on the head, plus the animal's lifestyle. For example, was it predator or prey ...

created computer models of the optical properties of different pupil shapes. Their models suggest that horizontally elongated pupils in eyes located on the sides of the head give herbivorous prey ...

The predator-prey divide in pupil shape suggests that the hunters ... same way and becomes vertically aligned when the animal tilts its head to graze. After watching grazing animals at the zoo ...

How does a hammer-shaped head, with eyes on each end ... in terms of the area that it can see,” which might help when the animal is hunting. The other has to do with how the hammerhead hunts ...

Paleontologists in Canada have discovered a new species of sea animal that was 1 1/2 feet long and football-shaped, with a large protective shell over its head, a toothed mouth and a pair of spiny ...

Dog breeders have been shaping the way the animals look and behave for centuries ... distinctions that were not simply the result of head shape or the size of the dogs’ brains or bodies ...

A natural formation was altered by adding a head to create a duck-shaped mound. A nearby circular mound may represent an egg. These mounds date to approximately 3,500 years ago. The animal mounds ...

They used CT scans to suss out the precise shape and size of each creature's noggin, then relied on computer models to see how they'd hold up when the animals went head to head. Two animals, giraffes ...

"We knew from certain rare human conditions and animal experiments that genes play ... the factors that drive natural variation in human head shape is informing paleoanthropology studies ...