Week in wildlife

London, UK: falconer Mark Bigwood flies his harris hawk, Comet, while patrolling St Pancras station. The hawks are being used to scare off pigeons Photograph: Daniel Berehulak/Getty

Lampang, Thailand: Sampran, 6, a wild bull elephant with disinfected injuries after he was caught in a poachers snare. Badly dehydrated, thin and with an infected foot, the young elephant has about a 50 percent chance of survival and was bought into the hospital for emergency care Photograph: Barbara Walton/EPA

Conservationists are urging garden owners not to indulge in 'spawn-swapping' this spring because harmful diseases and invasive plants can hitch a ride with the eggs. Froglife said that instead of moving frogspawn around artificially, gardeners should make their gardens attractive and accessible to frogs to encourage natural movement of amphibians and other animals Photograph: Carl Smith/PA

Wadi Qelt, West Bank: gazelles in an area where Israel plans to build part of its separation barrier. The construction could cut the animals off from a vital water source in the area Photograph: Dan Balilty/AP

Warsaw, Poland: a cat sleeps during International Cat and Guinea Pig Show Photograph: Leszek Szymanski/EPA

Warsaw, Poland: A keeper shows his guinea pig at the International Cat and Guinea Pig Show Photograph: Leszek Szymanski/EPA

Sydney, Australia: veterinarian Sam Gilchrist gives 13-year-old koala Petra an oral medication at Wildlife World Photograph: Anoek De Groot/AFP

Alaska, US: Lachlan Clark during the Iditarod Trail sled-dog race Photograph: Al Grillo/AP

Heidelberg, Germany: a Geoffroy's tufted-ear marmoset carries its offspring at the zoo Photograph: Ronald Wittek/EPA

Jakarta, Indonesia: an arowana dragon fish bought by Indonesian president Susilo Bambang Yudhoyono at a price of 200m rupiah ($20,000) Photograph: Adek Berry/AFP

New York, US: a red-eyed tree frog clings to a limb at the Prospect Park zoo Photograph: Julie Larsen Maher/WCS/AP

Magdalen Islands, Quebec: a harp seal pup seeking its mother on the ice floes a few weeks before the annual seal hunt Photograph: David Boily/AFP

Fife, UK: Methuselah, a 31-year-old golden eagle, takes her first flight in years in the Scottish hills. She was taken from the wild at the age of four and has spent most of her life in a cage in England. Last year she was released into the care of Elite Falconry in Fife, where trainers have been teaching her to fly again. More on this Photograph: Murdo MacLeod/freelance

Ganjam district, India: an olive ridley turtle returns to sea after laying eggs Photograph: Biswaranjan Rout/AP

Hamburg, Germany: Kumbuko, a baby giraffe, strolls around in its enclosure at the Hagenbecks Tierpark zoo Photograph: Maurizio Gambarini/EPA

Bogota, Colombia: pink flamingos at a temporary shelter for animals seized from wildlife traffickers Photograph: William Fernando Martinez/AP

Melbourne, Australia: a southern hairy-nosed wombat joey Photograph: James D Morgan/Rex Features