Owl monkeys, the only truly nocturnal monkeys, have large eyes for night vision and rely on sounds and scent marking to ...

This owl makes its home in eastern Central and ... Architectural Press), in which Traer Scott photographed 42 rare nocturnal animals. Next, check out some more photos of unusual animal species ...

Owls are some of the most beautiful birds in the animal kingdom, known for their nocturnal habits, silent flight and piercing ...

Nocturnal animals boast large eyes with pupils that can open wide to maximize the amount of light entering the eye. Owls, for example, have eyes that occupy more than half the volume of their skulls.

Unlike the snowy owl, the barn owl lives at latitudes ... and considering that half the animals in the planet are essentially nocturnal, adaptations to the natural cycles of the Moon are surely ...

The program allows guests to learn about the Zoo's nocturnal animals, like owls, gray wolves and even skunks. This is the only time of the year the zoo is open after-hours. Organizers say it's a ...

Owls are among the most iconic nocturnal animals, which are known for their near-silent flight and laser-sharp night vision. With large eyes adapted for darkness and exceptional hearing ...