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

Jack Dykinga / Burrowing owl (Athene cunicularia) female and ten chicks aged a few weeks. Marana, Arizona, USA. May.

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

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 owl (Athene cunicularia) chick, approximately 3 weeks after leaving burrow, running to meet parent arriving with food. Marana, Sonoran Desert, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) chicks, approximately 3 weeks after leaving burrow, running to meet parent arriving with food. Marana, Sonoran Desert, Arizona, USA.

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

Jack Dykinga / Burrowing owl (Athene cunicularia) pair mating. Marana, Arizona, USA.

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

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

Jack Dykinga / Burrowing owl (Athene cunicularia) male stretching before taking off. Marana, Arizona, USA.

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

Jack Dykinga / Burrowing owl (Athene cunincularia) bringing prey to burrow, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunincularia) chicks emerging from burrow, begging food from adult, Marana, Arizona, Sonoran Desert, USA

Jack Dykinga / Burrowing owls (Athene cunincularia) mating behaviour, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunincularia) in flight, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owls (Athene cunincularia) preening and stretching, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owls (Athene cunincularia) at burrow, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunincularia) pair, male preening female (left), bonding behaviour, Sonoran Desert, Arizonam USA.

Jack Dykinga / Burrowing owl (Athene cunincularia) bringing prey to burrow, Marana, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owls (Athene cunicularia) juveniles playing, Marana Agricultural area, Sonoran Desert, Arizona, USA. June.

Jack Dykinga / Burrowing owls (Athene cunicularia) juveniles playing, Marana Agricultural area, Sonoran Desert, Arizona, USA. June.

Jack Dykinga / Burrowing owls (Athene cunicularia) juveniles playing, Marana Agricultural area, Sonoran Desert, Arizona, USA. June.

Jack Dykinga / Burrowing owls (Athene cunicularia) juveniles playing, Marana Agricultural area, Sonoran Desert, Arizona, USA. June.

Jack Dykinga / Burrowing owl (Athene cunicularia) chick in its second week out of the burrow, testing its wings, Sonoran Desert, Arizona, USA . May.

Jack Dykinga / Burrowing owl (Athene cunicularia) female trying to feed kangaroo rat to disinterested chicks. Sonoran Desert, Arizona, USA . May.

Jack Dykinga / Burrowing owl (Athene cunicularia) male in flight Sonoran Desert, USA, May.

Jack Dykinga / Burrowing owl (Athene cunicularia) male feeding fledgling, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunicularia) male feeding fledgling, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunicularia) chick trying its wings, Arizona Sonoran Desert, USA

Jack Dykinga / Burrowing owl (Athene cunicularia) fledgling flying, three weeks out o burrow, Sonoran Desert, Arizona, USA, May.