Polar Bears on Yahoo! News Photos

Polar bear cub Wilbaer plays with his mother Corinna in their ...

(Reuters) — Wed, 13 Aug 2008 17:14:37 GMT

(Reuters) - Polar bear cub Wilbaer plays with his mother Corinna in their enclosure at the Wilhelma zoo in Stuttgart during his first appearance April 16, 2008. (Alex Grimm/Reuters)

Already threatened by a thaw of ice around the North Pole, the ...

(Reuters) — Tue, 12 Aug 2008 15:33:50 GMT

(Reuters) - Already threatened by a thaw of ice around the North Pole, the polar bear's title as the top Arctic predator may under challenge from a shark. (Graphics/Reuters)

A polar bear holds a block of ice. The administration of US ...

(AFP/File) — Tue, 12 Aug 2008 12:43:48 GMT

(AFP/File) - A polar bear holds a block of ice. The administration of US President George W. Bush has proposed revisions to the Endangered Species Act (ESA) so that the law can not be used to regulate the emission of greenhouse gases(AFP/File/Kazuhiro Nogi)

File photo shows a Polar Bear seen outside Churchill in Canada. ...

(AFP/File) — Tue, 12 Aug 2008 00:51:06 GMT

(AFP/File) - File photo shows a Polar Bear seen outside Churchill in Canada. Canada and the USA are set to join forces to gather scientific data on the Arctic continental shelf, in a step aimed in part at bolstering claims over the potentially oil-rich zone, Ottawa and Washington have announced(AFP/File/Paul J. Richards)

Flocke at play : Polar bear cub Flocke plays with a bucket in ...

(AFP/DDP) — Mon, 11 Aug 2008 23:37:20 GMT

(AFP/DDP) - Flocke at play : Polar bear cub Flocke plays with a bucket in her enclosure at the zoo in Nuremberg, southern Germany. (AFP/DDP/Joerg Koch)

Open wide! : A polar bear opens his mouth wide to bite an ice ...

(AFP) — Sun, 10 Aug 2008 23:34:46 GMT

(AFP) - Open wide! : A polar bear opens his mouth wide to bite an ice block which contains food at the Higashiyama Zoo in Nagoya in Aichi prefecture, central Japan as the zoo offered ice blocks for cooling down. (AFP/Yoshikazu Tsuno)

Kola, one of two polar bears at the Pittsburgh Zoo, swims past ...

(AP) — Tue, 05 Aug 2008 21:41:04 GMT

(AP) - Kola, one of two polar bears at the Pittsburgh Zoo, swims past a group of visitors walking through a glass-enclosed walkway in the Water's Edge exhibit Tuesday, Aug. 5, 2008. (AP Photo/Gene J. Puskar)

A polar bear sow and two cubs are seen on the Beaufort Sea coast ...

(Reuters) — Tue, 05 Aug 2008 19:45:41 GMT

(Reuters) - A polar bear sow and two cubs are seen on the Beaufort Sea coast within the 1002 Area of the Arctic National Wildlife Refuge in this undated handout photograph provided by the U.S. Fish and Wildlife Service. The state of Alaska has sued the U.S. government, arguing that listing polar bears as a threatened species will hurt Alaskan oil and gas exploration, fisheries and tourism. (U.S. Fish and Wildlife Service/Handout/Reuters)

A combination of pictures shows polar bear Commander Sedov jumping ...

(Reuters) — Tue, 05 Aug 2008 09:05:09 GMT

(Reuters) - A combination of pictures shows polar bear Commander Sedov jumping into his favourite pool for the first time after maintenance work in a zoo in the Siberian city of Krasnoyarsk August 5, 2008. Commander Sedov leapt on Tuesday into his favourite pool for the first time in over one month when it re-opened after maintenance work. There are two pools in the outdoor enclosure but the six-year-old polar bear prefers to spend most of his time in the one that was closed for re-painting. REUTERS/Ilya Naymushin (RUSSIA)

Polar bear Commander Sedov swims in his favourite pool after ...

(Reuters) — Tue, 05 Aug 2008 09:02:56 GMT

(Reuters) - Polar bear Commander Sedov swims in his favourite pool after maintenance work in a zoo in the Siberian city of Krasnoyarsk August 5, 2008. Commander Sedov leapt on Tuesday into his favourite pool for the first time in over one month when it re-opened after maintenance work. There are two pools in the outdoor enclosure but the six-year-old polar bear prefers to spend most of his time in the one that was closed for re-painting. REUTERS/Ilya Naymushin (RUSSIA)

One of many polar bear alert warning signs posted inside the ...

(AFP/File) — Fri, 01 Aug 2008 23:46:49 GMT

(AFP/File) - One of many polar bear alert warning signs posted inside the town of Churchill, Manitoba, Canada is frosted over, in 2007, at the edge of the Hudson Bay. The world's oldest polar bear, orphaned as a cub in the cold Russian north and raised in captivity, is dying, after thrilling more than 18 million visitors to a Canadian zoo, officials said Friday.(AFP/File/Paul J. Richards)

Maci Riffle of Sacramento, Calif., observes a prairie dog at ...

(AP) — Fri, 01 Aug 2008 22:00:30 GMT

(AP) - Maci Riffle of Sacramento, Calif., observes a prairie dog at the outdoor exhibit at the Detroit Zoo in Royal Oak, Mich., Thursday, July 31, 2008. Getting voters to raise their own taxes is a hard sell but, it's a little easier if you have polar bears, giraffes and other cute animals on your side. When Wayne, Oakland and Macomb county voters go to the polls Tuesday, they will decide on a special property tax to fund operations at the Detroit Zoo. (AP Photo/Carlos Osorio)

A polar bear shakes off its coat at the outdoor exhibit at the ...

(AP) — Fri, 01 Aug 2008 19:18:44 GMT

(AP) - A polar bear shakes off its coat at the outdoor exhibit at the Detroit Zoo in Royal Oak, Mich., Thursday, July 31, 2008. Getting voters to raise their own taxes is a hard sell but, it's a little easier if you have polar bears, giraffes and other cute animals on your side. When Wayne, Oakland and Macomb county voters go to the polls Tuesday, they will decide on a special property tax to fund operations at the Detroit Zoo. (AP Photo/Carlos Osorio)

Polar bear twin cubs rest in their enclosure at the Schoenbrunn ...

(AP) — Thu, 31 Jul 2008 17:15:18 GMT

(AP) - Polar bear twin cubs rest in their enclosure at the Schoenbrunn zoo in Vienna, Austria, on Thursday, July 31, 2008. The male cubs were born on Nov. 30, 2007. (AP Photo/Lilli Strauss)

In this Nov. 4, 2007 file photo, a polar bear and her two cubs ...

(AP) — Wed, 30 Jul 2008 19:06:58 GMT

(AP) - In this Nov. 4, 2007 file photo, a polar bear and her two cubs sit in Wapusk National Park, on the shore of Hudson Bay near Churchill, Manitoba, Canada. (AP Photo/ The Canadian Press, Jonathan Hayward)

A demonstrator of environmental organisation WWF, dressed like ...

(AP) — Thu, 24 Jul 2008 09:25:32 GMT

(AP) - A demonstrator of environmental organisation WWF, dressed like a polar bear, stands in front of Berlin's Brandenburg gate to protest against the climate change on occasion of the visit of U.S. Democratic presidential candidate Sen. Barack Obama, D-Ill., in Berlin Thursday, July 24, 2008. (AP Photo/Fabian Bimmer)

Demonstrarors of environmental organisation WWF, dressed like ...

(AP) — Thu, 24 Jul 2008 09:24:22 GMT

(AP) - Demonstrarors of environmental organisation WWF, dressed like polar bears, stand in front of Berlin's Brandenburg gate to protest against the climate change on occasion of the visit of U.S. Democratic presidential candidate Sen. Barack Obama, D-Ill., in Berlin Thursday, July 24, 2008. (AP Photo/Fabian Bimmer)

A polar bear reacts after being presented an ice block planted ...

(AP) — Wed, 23 Jul 2008 03:06:34 GMT

(AP) - A polar bear reacts after being presented an ice block planted with apples at a zoo in Osaka, western Japan Wednesday, July 23, 2008. (AP Photo/Kyodo News)