The week in wildlife

A pygmy marmoset at a primates' rescue and rehabilitation centre near Santiago, Chile. The pygmy marmoset, the world's smallest monkey, is in danger of extinction. This monkey was confiscated after being found inside the clothes of a Peruvian citizen during a highway police check Photograph: Ivan Alvarado/Reuters

A herd of vicuña graze near the Laguna Caro in the Argentine Puna region of Catamarca, 4,000m above sea level Photograph: Enrique Marcarian/Reuters

A grasshopper clings to a wire cable as it sheds its old exoskeleton for a fresher one in Manila, Philippines Photograph: Bullit Marquez/AP

A mob of meerkats with both adults and youngsters born this spring in their enclosure at Bristol zoo gardens Photograph: Ben Birchall/PA

A spider in the Muzhao mountains, in south-west China's Chongqing municipality Photograph: AFP/Getty Images

Baby Chilean flamingos wander through the Uyuni salt desert, Bolivia. A late nesting triggered by extreme cold weather could explain why migratory flamingos abandoned their babies. Hungry, disoriented and often too weak to fly, they are dying frozen or killed by trucks Photograph: Dado Galdieri/AP

A blue crab, Louisiana. Commercial and recreational fishing, with some restrictions, has started up again in south-east Louisiana in areas that were closed by the Deepwater Horizon oil spill Photograph: Chuck Cook/AP

A leopard cub sleeps on a water bowl in its air-conditioned cage on a warm summer day, at Shanghai Zoo, China Photograph: Eugene Hoshiko/AP

Birds under a roof in Solda, Italy Photograph: Giuseppe Cacace/AFP/Getty Images

A tadpole shrimp, part of two colonies that were found by scientists at Caerlaverock on the Solway Coast of Dumfriesshire. The rare shrimp may be the most ancient animal species on Earth Photograph: Edmund Fellowes/PA

A baby Yemen chameleon, bred for the first time at the Cotswold wildlife park near Burford, Oxfordshire Photograph: Cotswold Wildlife Park/PA

A greater one horned rhino eats water plants from a river in Janakauli community forest bordering Chitwan National Park, Nepal Photograph: Gemunu Amarasinghe/AP

A female glow worm. There has been a rare sighting of glow worms along the Grand Union Canal by a Hertfordshire resident while she carried out the British Waterways wildlife survey Photograph: John Tyler/Galaxy

A young snowy owl in the Canadian-themed Yukon Bay enclosure, Hanover Zoo, Germany Photograph: Action Press/Rex Features

An octopus, one of the unidentified species discovered on a deep-sea expedition in Newfoundland, Canada. A team of 27 Canadian and Spanish researchers used a remotely operated vehicle deployed from the Canadian Coast Guard Ship Hudson to dive to the bottom of the sea Photograph: Fisheries and Oceans Canada/Rex Features

Grass vetchling, an uncommon, 25cm-tall native plant with cerise flowers, has been spotted blooming in the fields of north Wiltshire Photograph: Paul Darby/Community Newswire/PA

Dragonflies attempting to land on a single flower stalk in Maine, USA Photograph: Pat Wellenbach/AP

Blue-throated bee-eater in Hong'an County, Wuhan, China Photograph: KeystoneUSA-ZUMA/Rex Features