The week in wildlife - in pictures

A crow calls out in Lahore. Heat-wave conditions in Pakistan have brought highs of 45C (113F) to the country Photograph: Arif Ali/AFP/Getty Images

A horse stands in flooded waters in Chia, near Bogota, Colombia. Downpours due to La Niña have rocked the Andean nation since last year, displacing 3.8 million people and killing almost 450, authorities said Photograph: John Vizcaino/Reuters

Kingfisher chicks line up to learn essential survival skills from their parents at the RSPB's Fairburn Ings nature reserve in Castleford, Yorkshire. The family has been delighting visitors to for the past few days, allowing close-up views of them flying, fishing and squabbling Photograph: Oliver C. Wright/RSPB

Trained elephant Cek Mek (right) makes the first contact with a newly captured wild elephant at a forest in Kota Tinggi, Malaysia, before its relocation to an elephant sanctuary. Trained elephants are used to accompany and calm captured wild elephants during the relocation process. Malaysia's department of wildlife and national parks has relocated at least 600 wild elephants since 1974 Photograph: Bazuki Muhammad/Reuters

The Scottish SPCA and British Divers Marine Life Rescue are monitoring up to 100 pilot whales thought to be in danger of becoming stranded off the South Uist coast Photograph: SPCA

Sahara the leopard gecko, who arrived safe and well after hitching a 100-mile ride inside an envelope following an internet shopping mix-up. He sneaked into an open parcel at his owner's home in Sedgeford, near Birmingham, UK, last Wednesday. The gecko spent two days inside the envelope travelling about 120 miles, before popping out in front of shocked Phillipa Durrant, of Finchampstead, Berkshire, who had been expecting the parcel to contain a belt she had bought on eBay Photograph: Ian Nicholson/PA

Red poppy flowers near Pulheim, Germany. After the early signs of summer across Europe, cooler weather with some rain showers is expected in Germany Photograph: Federico Gambarini/EPA

A male osprey has been missing from his English nesting site for a week and conservationists fear he has been shot Photograph: The Wildlife Trusts/PA

A deer wades through water in the Atchafalaya River after water from the open Morganza Floodway invades its habitat near Krotz Springs, Louisiana Photograph: Sean Gardner/Reuters

A female ruby-throated hummingbird sits on the branch of a rhododendron in Moreland Hills, Ohio. The tiny birds winter in Mexico, Central America, and on Caribbean islands and migrate north through much of the eastern United States in the spring Photograph: Amy Sancetta/AP

Eight-month-old baby sloth Camillo. In the wild, sloths live mainly in tropical rainforests of Central and South America Photograph: Waltraud Grubitzsch/AFP/Getty Images

A shrimp cleans a morey eel's mouth, off Tulamben, on the Indonesian resort island of Bali. Cleaner shrimp is a generic term for any swimming decapod crustacean that cleans other organisms of parasites. This symbiotic relationship benefits the fish by having parasites removed from them, and the shrimp gets its food Photograph: David Loh/Reuters

A three-month old whitecheeked gibbon looks from inside a cage after Thai police arrested a citizen of the United Arab Emirates at Suvarnabhumi airport in Bangkok. Thai police arrested a UAE citizen just after midnight today as he was preparing to fly first class from Bangkok to Dubai with various rare and endangered animals in his suitcases, which included four leopards, one Malayan sun bear, one white-cheeked gibbon, one black-tufted marmoset, an Asiatic black bear and two macaque monkeys Photograph: Damir Sagolj/Reuters

Wild donkeys rest near a lake on the grasslands in Hoh Xil, in the north-western part of the Tibetan plateau. Hoh Xil is known for its harsh climate and is home to many wild animals. Animals such as the wild yak, wild donkey, white-lip deer, brown bear and the endangered Tibetan antelope or Chiru are under state protection Photograph: Rooney Chen/Reuters

Red-crested tree rat (Santamartamys rufodorsalis) that was seen at the El Dorado natural reserve in the Santa Marta's Snowy Mountain Range, Colombia. The rodent was 'rediscovered' in the north of Colombia by a group of scientists 113 years after its last sighting Photograph: ProAves/EPA

Mountain goats climb a hill under a rising moon at Papago Park in Phoenix Photograph: Michael Chow/AP

Swans swim at the Lake Viacha, outside the Belarus capital Minsk Photograph: Viktor Drachev/AFP/Getty Images