The best of the week in wildlife

Sipadan, Malaysia: A scuba diver approaches a swirling school of giant barracuda Photograph: David Loh/Reuters

Berlin, Germany: In December, Berlin Zoo revealed its newest addition - a baby hippopotamus born on 29 November Photograph: Michael Kappeler/AFP/Getty Images

Caceres, Spain: Storks in their nests on prefabricated posts Photograph: Jorge Rey/EPA

Tokyo, Japan: Sea angels swim in the water of a tank at Shinagawa Aquarium. The animals live in cold ocean currents around the north pole and can also be found near the north eastern coast of Hokkaido Photograph: Kimimasa Mayama/EPA

Leipzig, Germany: A flamingo puts his head under his feathers at the zoo Photograph: Jan Woitas/EPA

London, UK: A red stag stands in the evening light in Richmond Park Photograph: Dan Kitwood/Getty

Tianjin, China: Fish fight for food dispearsed over the water from an automatic feeding machine in a pond outside the Tianjin Olympic Centre Stadium Photograph: Nic Bothma/EPA

Calcutta, India: Different species of wild birds are displayed for sale in a local market. India is home to some 1,200 different species of birds. Despite measures banning the capture and trade of wild birds, records indicate that as many as 300 of these species are still caught and traded Photograph: Piyal Adhikary/EPA

Prince William Sound, Alaska: A horned puffin on a rocky cliff Photograph: Lucas Jackson/Reuters

Xi'an, China: One-month-old panda cub A Bao yawns as he rests at a panda breeding centre Photograph: AFP/Getty Images

London, UK: A bumblebee at the Chelsea Flower Show Photograph: Shaun Curry/AFP/Getty Images

Yangon City, Myanmar: Pigeons rest on power lines in front of a Hindu pagoda Photograph: AP

Kuhhorst, Germany: Free-range geese are herded together at a farm. Goose is a popular dish in Germany for Christmas day Photograph: Michael Urban/AFP/Getty Images

Asia Island, Peru: Hundreds of 'Guanay' birds. Guano is used to make some of the world's finest organic fertiliser. It's collected for domestic use and for export as it is a favorite for organic gardeners in the US, France and Italy Photograph: Martin Mejia/AP

Portsmouth, UK: A collection of 120 baby British seahorses (Hippocampus hippocampus) which were born at the Blue Reef Aquarium. The rare short snouted seahorses are part of a nationwide captive breeding programme for the species and the arrival of so many youngsters has delighted experts. They are found in shallow muddy waters, in estuaries or inshore among seaweed and seagrasses Photograph: Chris Ison/PA

Budapest: A flock of female fallow deer runs across open grassland near Sarkad during the mating season Photograph: Sandor H Szabo/EPA

Calcutta, India: A fisherman works in a traditional fish breeding pond. The Indian state of West Bengal has 37% of pond resources, of which 70% are utilised for fish culture producing between 1-3m tonnes of freshwater fin-fish per year Photograph: Piyal Adhikary/EPA

Guiyang, China: Wild macaques hold each other against cold in Qianling Park Photograph: Qin Gang/AP

Hamburg, Germany: A baby giant otter swims through a basin at the Hagenbeck zoo. Two giant otters were born at the zoo in January 2008. The species listed as endangered lives in the wild across north-central South America Photograph: Roland Magunia/AFP/Getty Images

Minsk, Belarus: A squirrel sits on the ground in a park on a foggy day Photograph: Sergei Grits/AP

Moscow, Russia: A daghestany ibex plays with its mother Photograph: Maxim Shipenkov/EPA