Pictures of the animal - domestic and wild, large and small.
1) Horses fighting in a pasture near the Chinese city of Chifeng. (Wu Xiaoling / Zuma Press)
2) The seven-month Kibibi sitting on the lap of his mother Mandara, living at the Smithsonian National Zoo in Washington, DC. (Karen Bleier / AFP - Getty Images)
3) 6-day zhirafenok stands with his mother in the zoo in the English city of Chester in Cheshire. (Andrew Yates / AFP - Getty Images)
4) Thai Navy Sailor collects hawksbill turtles to release them back into the sea at the Center for the protection of sea turtles of the Royal Thai Navy in Sattahip, Chonburi province in Thailand. (Chaiwat Subprasom / Reuters)
5) The newborn loggerhead sea turtle crawling towards the sea in the Gulf of Kyparissia in Greece. (Orestis Panagiotou / EPA)
6) The horse in jewelry during the festival in the city of Alka Xin in the south of Croatia. Alka is a riding tournament, which since 1715 takes place every August in the Croatian town of Blue, to commemorate the victory over the Ottoman Empire. (Damir Sagolj / Reuters)
7) A dog is jumping over the fence on the opening day of hunting season for partridge in Rottal Estate, Valley Angus in Scotland. (Russell Cheyne / Reuters)
8) One of the two 10-week-old Asian lion cubs for the first time explores the open-air enclosure at London Zoo. This - the first cubs born in the zoo over the last 10 years. Their mother Abi was the last calf, who was born at the zoo in 1999. (Stephen Hird / Reuters)
9) The polar bear named Jelle walks in the snow at the zoo Dutch city nueno. Special snow blower makes the snow to create a polar bear enclosure in imitation of their natural environment. (Vincent Jannink / AFP - Getty Images)
10) Octopus in aquarium zoo Swiss city of Basel. (Georgios Kefalas / EPA)
11) 48-year-old elephant named Motala with the recently delivered a prosthetic leg in a special hospital for elephants in Lampang province, north of Bangkok, Thailand. (Phichaiyong Mayerku / Reuters)
12) Nadja, a young female pit bull, waiting in his cage at the animal rescue center Villalobos, located to the northwest of downtown Los Angeles. This center - one of the largest shelters for pit bulls in the world, there are 204 volunteers and 225 live pit bulls, two French Bulldogs and 19 cats. (Richard Vogel / AP)
13) Adult king penguins surrounding the female at the zoo in Basel, Switzerland. (Georgios Kefalas / AP)
14) Horses graze at the barn, which is located on a farm Yasgur, near which 40 years ago was the legendary Woodstock music festival. (Stephen Chernin / AP)
15) Robin Crook lucky to walk their dogs 18 (all half chihuahua) in the stroller for triplets in the center of Taranga, New Zealand. (Mark McKeown / New Zealand Herald via AP)
16) Red panda with her cubs in the forest Hongshan Zoo in Nanjing, capital of east China's Jiangsu Province. (Fan Xiaolin / Zuma Press)