A small brown body in the grass ... forward-facing yellow eyes with a white line above and between them, with no visible ears, confirmed that we’d found a burrowing owl. After a moment, the ...

From helping them find mates to bettering their ability to camouflage, marks on animals and birds serve various purposes.

DESCRIPTION: The northern spotted owl is a medium-sized, dark brown owl with a barred tail; white spots on its head, neck, and back; and dark brown eyes surrounded by a large, heart-shaped facial disk ...