Top animal photos of 2013

Three 2-month-old Oriental Pied Hornbills are displayed at the Jurong Bird Park's Breeding and Research Center in Singapore, March 8, 2013.

India

Bulls participate in a race at a paddy field during a festival in Monsatola, India, July 13, 2013.

England

Grey seals play underwater by the Farne Islands off the Northumberland coast, northern England, Nov. 17, 2013.

Germany

Kamchatka brown bears Leonid, left, and Mascha stand in the pool of their enclosure in the Hagenbeck Zoo in Hamburg, Germany, July 24, 2013.

Madagascar

Roosters participate in a traditional Malagasy cockfighting contest in Ambohimangakely, near Madagascar's capital Antananarivo, Oct. 27, 2013.

California

Pelicans silhouetted by a setting sun fly as they look for fish along the California coastline near Leucadia, Calif., Nov. 1, 2013.

Spain

A horse looks out from inside a barn at the Zahariche ranch near Lora del Rio, Spain, June 26, 2013.

Germany

Three-month-old beaver "Momo" swims in the pool of the wild animal facility in Klein Offenseth-Sparrieshoop, Germany, July 10, 2013.

Illinois

A calf, born June 21, roams with adult giraffes at the Brookfield Zoo in Brookfield, Ill., July 2, 2013.

Germany

An alpaca stands in the meadow in the village of Winklarn near Regensburg, Germany, April 22, 2013.

Illinois

A baby gorilla born in November, is seen at the Lincoln Park Zoo's Regenstein Center for African Apes, Aug. 21, 2013.

Italy

Brown bear Sandro holds a frozen watermelon to refresh himself in Rome's Bioparco zoo, July, 23, 2013.

China

Giant panda cubs lie in a crib at the Chengdu Research Base of Giant Panda Breeding in Chengdu, Sichuan province, Sept. 23, 2013.

Canada

Three killer whales surface through a breathing hole in the ice of Hudson Bay near the community of Inukjuak, Quebec, Jan. 9, 2013.

Spain

A white bull is seen at sunset in a "dehesa" (wooded pastureland) at Reservatauro Ronda cattle ranch in Ronda, near Malaga, Feb. 12, 2013.

Singapore

A one-month-old endangered Bornean orangutan sleeps on his mother in Singapore, March 6, 2013.

Brazil

Cows walk on a stretch of Brazil's uncompleted North-South Railroad in Anapolis City, Sept. 26, 2013.

Sri Lanka

A chameleon is seen on a tree near the Sri Dalada Maligawa (Temple of the Tooth) in Kandy, Nov. 20, 2013.

South Korea

A diver performs with sardines as part of summer vacation events at the Coex Aquarium in Seoul, South Korea, July 31, 2013.

Israel

A few-hour-old baby Asian elephant stands near its mother "La Petite" at the Ramat Gan Safari, a.k.a. the Zoological Center of Tel Aviv-Ramat Gan, Oct. 3, 2013.

Spain

Wild horses fight during the "Rapa Das Bestas" event in Mougas, northwestern Spain, June 9, 2013.

New York

A praying mantis lands on the center court as Rafael Nadal of Spain plays against Tommy Robredo during the men's quarter-final match at the U.S. Open tennis championships in New York, Sept. 4, 2013.

Germany

A flamingo is pictured in its enclosure at the zoo in Wuppertal, Germany, Jan. 4, 2013.

Scotland

Huskies pant during a training session at Feshiebridge, in Aviemore, Scotland, Jan. 23, 2013.

England

A puffin is seen with sand eels in its beak on the Farne Islands off the Northumberland coast, northern England, July 8, 2013.

Germany

An adult female European lobster lies on the floor next to a one-year-old lobster of the same species at the Helgoland Biological Institute at Helgoland Island, Germany, Aug. 3, 2013.

Israel

Ibexes walk in the desert near Sde Boker in the Negev Desert, Israel, Aug. 6, 2013.

Russia

Zebras, female Zizi (front) and male Moryachok, run on the snow in an open-air enclosure at the Royev Ruchey zoo on the suburbs of Krasnoyarsk, Russia, Feb. 21, 2013.

Spain

A Spanish four-year-old thoroughbred, Nevisco III, shakes its head during the Sicab International Pre Horse Fair in the Andalusian capital of Seville, Dec. 5, 2013.

Ecuador

An Imbabura tree frog is pictured at the Jambatu Center for Research and Conservation of Amphibians in Quito, Oct. 15, 2013.

Illinois

Koola, an 18-year-old western lowland gorilla, holds her newborn infant in her enclosure at the Brookfield Zoo, in Brookfield, Ill., Nov. 6, 2013.

Russia

Masha, a female raccoon, yawns in her wooden refuge inside an open-air cage where she hibernates at the Royev Ruchey zoo in Krasnoyarsk, Nov. 20, 2013.

Ecuador

A Zayapa red crab perches on a rock at Punta Albemarle in Isabela island at Galapagos National Park, Aug. 22, 2013.

Pennsylvania

A white-handed gibbon clings to his mother at the Philadelphia Zoo, Nov. 21, 2013.

England

Two deer clash antlers during an early autumn misty morning in Richmond Park, London, Sept. 27, 2013.

United Arab Emirates

A Red-necked Ostrich is seen at Al Bustan Zoological Centre in Maliha village, United Arab Emirates, May 21, 2013.

England

Arctic terns fly above the Farne Islands off the Northumberland coast, northern England, July 8, 2013.

Russia

Anfisa, an 8-year-old female chimpanzee, washes a window in her enclosure where she lives with a male chimpanzee named Tikhon, at the Royev Ruchey zoo in Krasnoyarsk, Siberia, Jan. 29, 2013.