Find examples from medieval manuscripts for a variety of animals.
A gallery of bats from medieval manuscripts.
Researchers from Duke University set out to estimate the visual acuity of more than 600 species of insects, birds, mammals, fish and other animals.
Serama chickens are the smallest and lightest breed of chickens in the world.
There are several reasons for why squirrels will suddenly lie flat on the ground, a patio railing, or tree branch.