The week in wildlife

A chipmunk feeding on a pine on Mount Asahi, the tallest mountain in Japan's nothern island of Hokkaido Photograph: Yuriko Nakao/Reuters

The charred landscape in the San Gabriel mountains, north-east of Los Angeles, after the so-called Station fire. The wildfire, the most destructive the area has ever seen, was thought to have been started by an arsonist. Two firefighters were killed and 89 homes destroyed in the inferno that began three weeks ago and is still not extinguished Photograph: David McNew/Getty Images

Sparrows take a cool bath in one of the fountains on the boardwalk in Bremerton, US Photograph: Larry Steagall/AP

The fin of a whale clears the surface of the water of the river Clyde in Glasgow. Local media reported that a northern bottlenose whale had strayed into the river Clyde and was spotted close to Glasgow city centre Photograph: David Moir/Reuters

A marine life rescue worker prepares to join the search for the northern bottlenose whale in the river Clyde in Glasgow. The 5m-long mammal was spotted by locals at the Clyde arc bridge near to the city centre Photograph: Jeff J Mitchell/Getty Images

Animal control officer Tracie Ross in Guilford County, North Carolina, raises her hand to stop traffic to allow a group of pigs, which were running loose, to cross the road in Stokesdale Photograph: Nelson Kepley/AP

A wild banana (Musa rubinea) exclusive to the western Chinese province of Yunnan, on the border with Burma Photograph: Markku Hakkinen/WWF/EPA

An aerial view of the Liverpool river in the Warddeken indigenous protected area on the same day that an agreement was signed in the Northern Territory to create a massive nature reserve in the country's far north that will be managed by Aborigines. The new reserve covers almost 20,500 square kilometres (7,900 square miles) near the city of Darwin — an area more than twice the size of Yellowstone national park in the US Photograph: Peter Eve/AFP/Getty Images

A female giant sable (Palanca negra) is transferred by helicopter from the Cangandala national park to a breeding sanctuary within the park in Malanje, Angola. Giant sables are Angola's national symbol and the nickname for the country's football team — yet fewer than 100 are believed to be still alive Photograph: Richard Estes/AFP/Getty Images

A fisherman stands on a platform as he aims his harpoon-type air rifle at fishes in Laguna de Bay, a lake on the outskirts of Taytay town in the Philippines Photograph: ERIK DE CASTRO/REUTERS

Two children look on as Rosa, an orang-utan mother, holds Pandai, her newborn baby, at Frankfurt zoo Photograph: Thomas Lohnes/AFP/Getty Images

Two black-headed munias, also known locally as 'maya pula', fly from a tree in Cotabato City in the Philippines Photograph: Ted Aljibe/AFP/Getty Images

Migrating monarch butterflies on the move. Every year thousands of these black and tan coloured butterflies fly up to 3,000 miles south from their home in the Rocky Mountains to spend the North American winter in the warmer climates of Mexico and southern California Photograph: Monarch Watch

A female mountain gorilla sits in a tree in Bwindi forest that borders the Democratic Republic of Congo and Rwanda. Uganda Wildlife Authority is launching a campaign to raise awareness to save the endangered mountain gorillas and prevent their extinction. The total population of mountain gorillas worldwide is estimated at 720, half of which are to be found in Uganda's Bwindi forest Photograph: Simon Maina/AFP/Getty Images

Winner of the wildlife in my locality category of the British wildlife photography awards: Tranquillity, mute swan on canal by Noel Bennett Photograph: Noel Bennett/BWPA