Jack Dykinga / Burrowing owl (Athene cunicularia) with head turned to one side, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia), two huddled together. Marana, Pima County, Arizona, USA.

Bence Mate / Two Burrowing owls (Athene cunicularia) fledgling with adult about to take off, Pantanal, Brazil.

Bence Mate / Burrowing owl (Athene cunicularia) fledgling with head on side, Pantanal, Brazil. November.

David Pattyn / Burrowing Owl (Athene cunicularia) perched on a wooden fence backlit at sunrise, Southern Pantanal, Mato Grosso do Sul State, BrazilAugust

Martha Holmes / Burrowing owl (Athene cunicularia) living in a wrecked helicopter fuselage. Florida, USA. August 2008.

Bence Mate / Two newly fledged burrowing owl chicks (Athene cunicularia) one being groomed by its mother (far left) Pantanal, Brazil. WINNER: Eric Hosking Award portfolio image 4/6 - Wildlife Photographer of the Y...

Floris van Breugel / Burrowing Owls (Athene cunicularia) breeding pair standing near the entrance to their burrow, at sunset, Salton Sea, California, USA.

Floris van Breugel / Burrowing Owl (Athene cunicularia) standing at entrance to burrow, and watching a Red-tailed Hawk circling above. Salton Sea, California, USA.

David Tipling / Burrowing owl (Athene cunicularia) resting, Salton Sea, California, USA, April

Rosl Roessner/ BIA / Burrowing Owl (Athene cunicularia) pair, Florida

Donald M. Jones / Burrowing Owl (Athene cunicularia) owlet greeting parent, Montana

Donald M. Jones / Burrowing Owl (Athene cunicularia) owlets at burrow with one stretching, Montana

Donald M. Jones / Burrowing Owl (Athene cunicularia) parent and owlet at burrow, Montana

Ron Bielefeld / Burrowing Owl (Athene cunicularia) juvenile, Florida

Sebastian Kennerknecht / Burrowing Owl (Athene cunicularia) at burrow, Berkeley, San Francisco Bay, California

Jim Brandenburg / Burrowing Owl (Athene cunicularia) trio peeking out of burrow in tallgrass prairie, South Dakota

Jim Brandenburg / Burrowing Owl (Athene cunicularia) group at burrow entrance, South Dakota

Jack Dykinga / Burrowing owls (Athene cunicularia) one moving its head - with blurred motion. Marana, Arizona, USA, November.

John Cancalosi / Burrowing owl (Athene cunicularia) doing 'rain dance', spreading wings and 'dancing' while it rained, Arizona, USA.

John Cancalosi / Burrowing owl (Athene cunicularia), Arizona, USA.

John Cancalosi / Burrowing owl (Athene cunicularia) doing 'rain dance', spreading wings and 'dancing' while it rained, Arizona, USA.

John Cancalosi / Burrowing owl (Athene cunicularia) doing 'rain dance', Arizona, USA.

John Cancalosi / Burrowing owl (Athene cunicularia) rotating head, Arizona, USA.

John Cancalosi / Burrowing owl (Athene cunicularia) portrait, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) Sonoran Desert, Arizona, USA. Display of white brow and chin feathers. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) showing bright white brow and chin feathers while bobbing up and down in territorial display, sequence 1 of 2, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) showing bright white brow and chin feathers while bobbing up and down in territorial display, sequence 2 of 2, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) flying back to burrow, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) flying back to burrow, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) flying back to burrow, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) flying back to burrow, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) at sunset, standing on one leg, Marana, Sonoran Desert, Arizona, USA. October.

Jack Dykinga / Burrowing owl (Athene cunicularia), Marana, Sonoran Desert, Arizona, USA. Display of brow and chin feathers turning bright white. October.

Jack Dykinga / Burrowing owl (Athene cunicularia) looking back, Sonoran Desert, Arizona, USA. Display of white brow and chin feathers, October.

Jack Dykinga / Burrowing owl (Athene cunicularia) preening wings, display of white brow and chin feathers, October. Sonoran Desert, Arizona, USA.

Jack Dykinga / Two Burrowing owls (Athene cunicularia) One looking with interest at camera. Marana, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) portrait, looking at camera in morning light. Marana, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) standing on one leg in evening light. Marana, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) stretching, in evening light. Marana, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) stretching wing and leg. Marana, Arizona, USA.

Franco Banfi / Burrowing owl (Athene cunicularia) perched on termite mound, Mato Grosso do Sul, Brazil

Franco Banfi / Burrowing owl (Athene cunicularia) perched on termite mound. Bonito, Mato Grosso do Sul, Brazil

Lynn M. Stone / Florida burrowing owl (Athene cunicularia floridana) at burrow, hissing and inflating feathers in nest defense display. Cape Coral, Florida, USA. April.

Jack Dykinga / Burrowing owl (Athene cunicularia) standing on one leg in afternoon light. Marana, Pima County, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) portrait. Marana, Pima County, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) with head rotated by 90 degrees. Marana, Pima County, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) standing on one leg. Marana, Pima County, Arizona, USA.