The week in wildlife

A group of walkers (Mallada basalis), natural enemy of the strawberry aphid (Aphid ichigocola), are displayed in a tank during the annual bio-technology show at the World Trade Centre in Taipei Photograph: Sam Yeh/AFP/Getty Images

Pelicans try to catch fish with their beaks during lunch time at the Hellabrunn zoo in Munich, Germany. The large water birds with a large throat pouch are found on all continents except Antarctica Photograph: Miguel Villagran/Getty Images

Dead fish in the waters of the lake of Jal Mahal in Jaipur, India. The waters of the lake have become polluted resulting in large numbers of dead fish floating on its surface and the stench of rotting fish is keeping tourists away Photograph: Parivartan Sharma /Reuters

An adult puffin flaps its wings on Skomer Island in Pembrokeshire, Wales. The island, which has the biggest puffin colony in southern Britain, plays host to over 10,000 puffins, who come from April to the end of July to breed Photograph: Matt Cardy/Getty Images

A mountain tapir, an animal considered to be a 'living fossil'. The photo was taken for the first time by forest rangers of the park Santuario Nacional Tabaconas Namballe, Peru. Also known as mountain danta, this animal is the smallest of the three species of tapir that exist in America Photograph: Andina/EPA

A small fish swims near a jelly fish in the sea near the beach in the village of Toroni, northern Greece Photograph: Darko Vojinovic/AP

Panda bear Shuan Shuan at the Guadalajara zoo Photograph: Hector Guerrero/AFP/Getty Images

Grazing camels are seen through the window of a US armoured vehicle in Dand district of Kandahar Province in Afghanistan Photograph: Manpreet Romana/AFP/Getty Images

An Adelieledone polymorpha, one of the four new species of octopuses that researchers have discovered in Antarctica that come replete with anti-freeze venom. The researchers hope to analyse the venom to see if it has medical uses Photograph: Bobby Yip/Reuters

A tri-coloured heron covered with oil on Queen Bess Island near Grand Isle, Louisiana Photograph: Sean Gardner/Reuters

A Taipei tree frog climbs a leaf in Tucheng, Taipei County Photograph: PICHi Chuang/Reuters

Orchids from the cycnoches species from South America are seen at the Singapore Garden Festival. The show is billed as Asia's largest garden and flower show Photograph: Stephen Morrison/EPA

A mealy bug on a cassava stem, from an affected plantation in north-eastern Thailand. Scientists are planning to release 250,000 wasps in the north-east region of Thailand to halt a mealy bug infestation that threatens to destroy its lucrative cassava crop Photograph: Neil Palmer/AP

A construction worker claims to have found mysterious fossil-like creatures living in a gutter close to a construction lot in Jilin City, north-east China.Xu said he caught four such creatures from the gutter, which had hundreds swimming inside Photograph: Quirky China News/Rex Features

A pied myna is caught in a bird trap in the Barpeta district of the north-eastern state of Assam, in north-east India. A few traditional bird hunters still make their living from bird hunting in Assam Photograph: Biju Boro/AFP/Getty Images

The flower of a rare plant called the goat horn tree, as it blooms for the first time after 90 years in Rowallane Gardens, a National Trust property in Saintfield, Northern Ireland Photograph: Peter Muhly/EPA

A polar bear looks up at guests aboard Lindblad Expeditions National Geographic Explorer in Arctic Norway. The polar bear stayed with the ship for nearly an hour, and finally stood up and peered into the ship's lower portholes while balancing its massive paws on either side of the windows Photograph: Michael S Nolan/AP

The rare Horton plains slender loris (Loris tardigradus nycticeboides), in an image taken in the montane forests of central Sri Lanka by the Zoological Society of London (ZSL) and Sri Lankan researchers. Until now this subspecies of slender loris has only been seen four times since 1937 and disappeared from 1939 to 2002, leading experts to believe it had become extinct Photograph: Zoological Society Of London/EPA