Tawny owl chicks are measured, tagged and weighed as part of a 30-year conservation program to increase their population in Kielder forest.
A great gray owl screws his head at the zoo in Muenster, Germany. (AP Photo/Martin Meissner)
A two-week-old Malay fish owl waits to be fed at the Jurong Bird Park in Singapore. (AP Photo/Wong Maye-E)
Sing for your supper
He then feeds on a baby mouse. (AP Photo/Wong Maye-E)
Like owner, like bird
Ornithologist Brian Little checks two barn owl chicks in Kielder, Northumberland. His farm allows holiday makers watch barn owls in their nest via CCTV.
Elton the Owl
The nine-week old is weighed at London Zoo. Waves goodbye to his privacy.
A 10-week old female Great Gray Owl is fed a dead mouse by her father at Berlin Zoo earlier this year. (AP Photo/Gero Breloer)
The Animal Olympics
Bob the burrowing owl, star of London Zoo's daily Animal Athletes in Action demonstration. This is part of a one hundred centimetre sprint. Go Bob go.
Two burrowing owls stand guard at the entrance to their underground nest in Florida during June this year. (AP Photo/J Pat Carter)
A mature burrowing owl and three young chicks sit at the entrance to their nest in Brian Piccalo Park in Pembroke Pines, Florida in May. (AP Photo/J Pat Carter)
Worried...for a reason
To save the endangered spotted owl, the Obama administration is moving forward with a plan to shoot barred owls, a rival bird that has shoved its smaller cousin aside. (AP Photo/Wilfredo Lee, File)
Wise old things, aren't they? (AP Photo/Vadim Ghirda)
In January this year, this owl was caught in a rabbit snare but survived after being treated for a damaged leg. Yay. (AP Photo/Andrew Vaughan, The Canadian Press)
See? All better.
The same owl in Nova Scotia, Canada. (AP Photo/The Canadian Press, Andrew Vaughan)
In this May 16, 2011 photo, a veterinarian stretches her hands to protect a little owl, which is poisoned by pesticide and suffering from a neurological disorder that makes it difficult to keep its balance while standing, after a medical check at the Beijing Raptor Rescue Centre in China. (AP Photo/Alexander F. Yuan)
Animal keeper Steph Green watches Gloria, an 11-week-old eagle owl chick, as she takes her first few steps outside of her enclosure at Blair Drummond Safari Park near Stirling, Scotland.
Hanging out at a mall in Buffalo, New York. (AP Photo/David Duprey)
Tawny owl chicks in Kielder Forest, Northumberland. The tawny owl population in one of the UK's largest forests is booming as a result of the harsh winter, a Forestry Commission expert said last year.
Owl population soars
Two Tawny owl chicks in Kielder Forest, Northumberland. The tawny owl population in one of the UK's largest forests is booming as a result of the harsh winter, a Forestry Commission expert said today.
Spotted owlets on tree at Chalermphakieat temple in Bangkok.(AP Photo/Sakchai Lalit)
A barn owl flies through the snow at Chessington World of Adventures and Zoo in Surrey.
Three's a crowd
Three burrowing owl chicks named Huey, Dewy and Lewy from London Zoo were rescued from their underground nest box after heavy rains threatened to flood it.
Om nom nom
Senior trainer at London Zoo Mark Habben feeds one of the three burrowing owl chicks at the zoo.
Just so cute. (AP Photo/Esteban Felix)
Another fluffy newborn
A two week old owlet born at the Raptor Foundation Woodhurst, Cambridgeshire.
A one-month-old Neotropical Screech Owl clings to a piece of wood as it is held by a worker at the Endangered Wildlife Rescue Centre near Alajuela, Costa Rica. (AP Photo/Kent Gilbert)
Spot the difference
Four orphaned owls who have been given a stuffed toy to act as a surrogate mother for them. Eh????
An Irish Model and an Owl
Belfast model Jenny Curran is joined by Harley, an Eagle Owl, at the launch of the Balmoral Show in Belfast.
What's up with that one
An unusual six-week-old little owl (left) that has smaller eyes and is of a greyer colour alongside a typical little owl of a similar age at the Barn Owl Centre in Brockworth, Gloucestershire.
More of Merkel's chicks
Two spectacled owl chicks, one born in March and the other in April 2005, perch together at the Berlin Zoo. (AP Photo/Kristy May)
Five-year-old Fetlar is a snowy owl.
Not Harry's Owl
Flash the Eagle Owl sits on top of a pile of rare Harry Potter first editions in Edinburgh.
Leo, the little owl suffered a broken leg but was rescued by armed police officers who guarded then-Prime Minister Tony Blair's constituency home. The stricken bird was found by a patrol in Durham after apparently hitting overhead. What?
We're not sure who won between Wol the Tawny owl and Juno a Bull Mastiff. Picture: DAVID JONES/PA
Keeping the best 'til last
One isn't sure about the proximity of the Barn Owl.