A stray dog walks with U.S. Army National Guard soldiers from Oklahoma conducting door-to-door searches. Thousands of dogs were abandoned or stranded in New Orleans without their owners following Hurricane Katrina.

(Photo by Mario Tama / Getty Images)

Civilian rescuers (L-R) David Coupe, Pat Alladio and Shawn Alladio carry dogs to safety on a flooded New Orleans street.

(Photo by Mario Tama / Getty Images)

Holdout Douglas George Young holds his dog Black with an electrical cord on his front porch in the Ninth Ward of New Orleans.

(Photo by Mario Tama / Getty Images)

Judy Sluigen carries a dog that was found wandering the streets. Volunteers found thousands of pets, ranging from dogs and cats to pigs and goats, and took them to a temporary shelter near New Orleans to be cleaned and fed.

(Photo by Justin Sullivan / Getty Images)

Debra Rykoff (L) and Tracey Simmons try to give water to a dog that was rescued from a home near the French Quarter.

(Photo by Justin Sullivan / Getty Images)

Al Duvernay (L) lowers Rusty the dog into his boat while rescuing people stranded by Hurricane Katrina's floodwaters.

(Photo by Chris Graythen / Getty Images)

Animal control expert Alison Cardone (L) of the Society for the Prevention of Cruelty to Animals rescues a dog from a flooded home. Workers and volunteers stepped up to retrieve some of the household pets left behind by residents fleeing Hurricane Katrina.

(Photo by Chris Hondros / Getty Images)

A stranded dog runs on a church rooftop in high water after Hurricane Katrina devastated the area.

(Photo by Mario Tama / Getty Images)

New Orleans policeman Sgt. Kevin Coakley holds a Chihuahua he rescued from a flooded house in the Garden District. Coakley planned to give the abandoned dog to his 83-year-old mother.

(Photo by Nicholas Kamm, AFP / Getty Images)

Homeless man Joseph Barnes stands in the nearly deserted French Quarter with his cat Patches before the arrival of Hurricane Katrina. Barnes said he was not allowed inside the Superdome shelter with Patches because pets were not allowed.

(Photo by Mario Tama / Getty Images)

Dr. Linda Janowitz checks a dog at the Peninsula Society & SPCA in San Mateo, Calif. The dog was one of about 1,000 expected to be flown to the Bay Area from New Orleans after Hurricane Katrina separated them from their owners.

(Photo by David Paul Morris / Getty Images)