The week in wildlife

week in wildlife: A Sumbar deer enjoys mud bath in Guwahati city, India

A sambar deer enjoys a mud bath as temperatures soar in the Zoological Park in Guwahati city, north-east India. Bereft of rainfall, large tracts of Assam are experiencing a heatwave, which is unusual during the pre-monsoon period Photograph: STR/EPA

week in wildlife: Two Ruffs court at a mating ground at a bank of the Pripyat river

Two ruffs fighting on the banks of the Pripyat river, near the town of Turov, Belarus Photograph: Vasily Fedosenko/Reuters

week in wildlife: Wild flowers at Kea island

Wild flowers bloom in a field of Kea island, Cyclades, Greece Photograph: Orestis Panagiotou/EPA

week in wildlife: An osprey with with a fish in its claws sit in a tree

An osprey with with a fish in its talons sits in a tree on a Florida golf course Photograph: Andrwe Gombert/EPA

week in wildlife: A frog of the new species

A new species of frog, Boophis aff elenae, was identified this week. Scientists found more than 200 new species of frogs in Madagascar but a political crisis is hurting conservation of the Indian Ocean island's unique wildlife, a study showed Photograph: HO/Reuters

week in wildlife: A seized eagle owl in a reception centre for wild animals in Bogota

A barn owl in Bogota, Colombia Photograph: Mauricio Duenas/AFP/Getty Images

week in wildlife: Pacific bluefin tuna swim in a fish tank at Tokyo Sea Life Park in Tokyo

Pacific bluefin tuna swim in a fish tank at Tokyo Sea Life park Photograph: Issei Kato/Reuters

week in wildlife: Oil seed rape in flower in a field, Occuld, Suffolk

Oil seed rape in flower in a field, Occuld, Suffolk Photograph: Graham Turner

week in wildlife: Peacocks brought from India are displayed for sale on a street in Kabul

Peacocks brought from India are displayed for sale on a street in Kabul. Afghans buy the colorful birds as a pets with a pair costing about 12,500 afghanis (£166) Photograph: Shah Marai/AFP/Getty Images

week in wildlife: A loggerhead sea turtle swims in a pool at the Beit Yannai beach

A loggerhead turtle swims in a pool before being released back into the Mediterranean Sea near Netanya, Israel. Seven loggerheads were released into the sea after receiving treatment at a local rescue centre Photograph: Gil Cohen Magen/Reuters

week in wildlife: A Yellow Wagtail bird holds an insect in its beak

A grey wagtail bird holds an insect in its beak in the village of Jezerc, Kosovo Photograph: Hazir Reka/Reuters

week in wildlife: Giant panda cubs at the Bifengxia Panda breeding centre in Sichuan

Giant panda cubs at the Bifengxia Panda breeding centre in Sichuan. Construction began this month on new facilities, which will cost 1bn yuan (£100m), to replace the world's largest giant panda breeding centre, the Wolong nature reserve, destroyed in last May's earthquake in China Photograph: Dan Chung

week in wildlife: Horned rhinoceros population census at the Pobitora Wild Life Sanctuary

A forest official counts Indian one-horned rhinoceros during a population census at the Pobitora wildlife sanctuary near Guwahati, in north-east India. According to the 2009 census, 84 rhinos are found in the sanctuary, a rise from 81 in 2006 Photograph: Biju Boro/AFP/Getty Images

week in wildlife: a newborn white-eared night heron at a zoo in Nanning, china

A zookeeper feeds a newborn white-eared night heron at a zoo in Nanning, China. The bird was born on 3 May by artificial incubation. The white-eared night heron is listed on the International Union for Conservation of Nature and Natural Resources red list as one of the world's most endangered species Photograph: China Daily/Reuters