The week in wildlife

Akqi county in northwest China: An ethnic Kirgis man trains his hunting eagle on the horse in Xinjiang Uygur autonomous region. Local people usually train the eagles from February to September and use them in hunting in the winter Photograph: Guo Xin/EPA

Bidhan Nagar village, India: A worker piles up pineapples for sale at a wholesale market, 35km south from the northeastern city of Siliguri Photograph: Rupak De Chowdhuri/Reuters

Beijing, China: Hungry giant pandas enjoy bamboo at a zoo after being evacuated from the famed Wolong breeding centre in southwest China's Sichuan province due to food shortages and damage caused by the May 12 earthquake. Three giant pandas from the reserve went missing after the earthquake struck Photograph: Teh Eng Koon/AFP/Getty

Kobe, western Japan: Children watch a seal swim at Oji zoo Photograph: Yuriko Nakao/Reuters

El Carmen, Costa Rica: A farmer checks dried cocoa plants affected by severe drought. The government has declared a state of emergency in the northern part of the country to help farmers and ranchers who are suffering the effects of the drought Photograph: Yuri Cortez/AFP/Getty

Southern Moravia, Czech Republic: Oil rigs seen on a poppy field, near Hodonin. Moravske Naftove Doly (MDN), the biggest oil and gas company in the Czech Republic, has announced a new plan to invest over half a billion Czech Koruna (CZK) in exploring oil and gas fields in Southern Moravia Photograph: Filip Singer/EPA

Heredia, Costa Rica: An endangered blue jeans dart frog, Dendrobates pumilio, rests on a leaf at the Inbio park (Instituto Nacional de Biodiversidad). Scientists believe the decline in tropical frogs is related to global warming Photograph: Kent Gilbert/AP

Manila, Philippines: Patrons view marine species at the Manila Ocean Park aquarium facility. While representatives of the marine park claim it pushes for conservation and education about marine species, activists from People for the Ethical Treatment of Animals (Peta) protested outside the park and accused the facility of contributing to ecosystem destruction by taking wildlife out of their natural habitat for display Photograph: Rolex Dela Pena/EPA

Little Creek, Delaware, USA: An Atlantic horseshoe crab flips itself on Pickering beach, a national horseshoe crab sanctuary. The Atlantic horseshoe crabs return from deeper water each May and June to lay their eggs on these beaches at the new and full moon tides Photograph: Mike Segar /Reuters

Thompsons Bay, South Africa: A hippo swims in the surf. It is thought that the lone young male hippo has wandered from its habitat in Richards Bay Photograph: Rogan Ward/Reuters

Puerto Varas, Chile: A bird flies over the Llanquihue lake, some 966km south of Santiago. According to authorities, due to climate conditions ashes from the Chaiten volcano would be arriving in this region imminently Photograph: Francisco Negroni /Getty

Orlando, Florida, USA: Swimmers view thousands of exotic fish in a 10,000 gallon tank as they float down the Loggerhead Lane river in Sea World's Aquatica water theme park Photograph: John Raoux/AP

Madrid, Spain: A bull gores a horse ridden by Alvaro Montes during a bullfight on horseback at the San Isidro festival at the Las Ventas bullring Photograph: Paul White/AP

Moriyama, western Japan: A double-headed red-eared slider turtle, Takara (meaning "treasure" in Japanese), named after a boy who found it at a park nearby, is displayed at Hinagiku nursery school Photograph: Yuriko /Reuters

Bangkok, Thailand: Young rice plants grow in an irrigated paddy field near Lopburi, 150km north of Bangkok. Thailand is the world's largest rice exporter and might profit from an improved process developed by Chinese scientists to turn rice straw into biogas, opening up a possible new inexpensive and renewable form of biofuel Photograph: Barbara Walton/EPA