The week in wildlife

Tijuana, Mexico, 6 January: A heron flies past a pelican sitting on a rock during sunset in Punta Bandera Photograph: Guillermo Arias/AP

London, UK, 8 January: Otters look out from their pen at the London Zoo during the annual stocktake. Every January London's Zoo carries out it's annual stocktake Photograph: Andy Rain/EPA

Edinburgh, UK: Rainbow Lorikeets at Edinburgh Zoo. Zookeepers across the country took on the mammoth task of counting each and every animal in their collection for a new year stocktake Photograph: Danny Lawson/PA

Sonnenbuehl, Germany, 5 January: A Highland cattle stands in the snow on a pasture on Photograph: Sascha Schuermann/guardian.co.uk

Pandi, Manila, 8 January: A piglet sniffs a chicken at a small family farm outside a quarantined commercial pig farm which has been infected with Ebola-Reston virus Photograph: Romeo Gacad/AFP/Getty Images

Siabrin, Belarus, 5 January: Blue tits perch on grass as temperatures dropped to around -17C Photograph: Vasily Fedosenko/guardian.co.uk

Bristol, UK: The 'four-eyed' deep-sea spookfish is the first discovered to use powerful mirrors for eyes instead of lenses says a new study at the University of Bristol, released this month Photograph: Julian Partridge/University of Bristol/PA

Singapore, 7 January: African superb starlings at Jurong Birdpark Photograph: How Hwee Young/EPA

Coral off Jarvis Island, one of seven islands strung along the equator in the Pacific Ocean. Parts of three remote and uninhabited Pacific island chains are being set aside by President George Bush to protect them from oil exploration and commercial fishing in what will be the largest marine conservation effort in history Photograph: Jim Maragos/guardian.co.uk

Santa Rosa de la Pampa, Argentina, 3 January: Flamingos fly over a lake near Santa Rosa de la Pampa close to the first stage of the Dakar Rally between Buenos Aires and Santa Rosa de la Pampa Photograph: Gabriel Bouys/AFP/Getty Images

Guiyang, China: Villagers watch a bullfighting contest to celebrate the New Year Photograph: China Daily/REUTERS

Gurgaon, India, 5 January: Pet monkey Rani clutches on to cart puller Durga Prasad. Prasad reared Rani after he found her near his house six months ago Photograph: Gurinder Osan/AP

Hoxne, UK, 5 January: A endures the Arctic weather that has spread across Britain this week in the snow Photograph: Graham Turner for the Guardian

Manchester, UK: Horses in the snow on Holcombe Hill on the border between Greater Manchester and Lancashire Photograph: Christopher Thomond for the Guardian