A seal cools off at Belgrade Zoo during a heatwave on Tuesday. In Serbia where the meteoalarm has been raised to ‘red’, extremely hot weather with temperatures up to 39 degrees Celsius
Elephant Voi Nam grabs some apples with his trunk at his enclosure at the zoo in Leipzig, eastern Germany
Ring-tailed lemurs are pictured at Zoom Torino, a zoological park in Cumiana near Turin, Zoom Torino is a new immersive zoological park, where animals can be seen without bars or cages, only natural barriers ensure the visit
Penguins swim in their pool during the annual stock take at London Zoo on Monday. Caring for more than 750 different species, London Zoo keepers started the New Year with the task of counting every single animal
Dennis M. Sabangan/EPA
Zoo owner Manny Tangco kisses his Japanese koi carp at the Malabon Zoo, north of Manila, Philippines. The zoo is one of the largest in the country, created from a hobby and passion for animals.
A man cleans the teeth of a hippopotamus at a wild life reserve park in Guangzhou, Guangdong province in China.
Jambo, a four-month-old zebra, plays with its mother while being shown to the public for the first time at the zoo in Wuppertal, Germany
A female ring-tailed lemur carrying her twin offspring at their enclosure at the zoo in Eberswalde, Germany. Several monkeys were reported to have given birth to their offspring at the zoo in the past weeks.
Mother gorilla Kumili embrasses her newborn at the zoo in Leipzig, central German. The baby gorilla was born during the night between 10 and 11 March and its sex is still unknown. It’s the second gorilla baby born within four month in this monkey group.
Twin polar bear cubs stand with their mother Giovanna in their enclosure at Tierpark Hellabrunn in Munich. The 14-week-old cubs, who made their first public appearance on Wednesday, have yet to be named.
A Sumatran orangutan holds her one-week old baby and smooches with her other daughter Jolie in the enclosure at the Hellabrunn zoo in Munich, Germany. The baby was born on January 31 but has yet to be names
Visitors walk through the holiday lights display “ZooLights” at the Lincoln Park Zoo in Chicago, Illinois.
Ben Birchall/PA Wire
Komale, a Western Lowland Gorilla, inspects a rugby ball that has been placed into the enclosure at Bristol Zoo as part of its enrichment programme.
Luka, an almost two-year-old male polar bear, swims in his new home at the zoo in Wuppertal, Germany. Born in the Netherlands, Luka has moved to Germany to be a companion for female polar bear Anori, who is the same age.
A young calf stands next to a full grown giraffe while trying to reach food at the zoo in Dortmund, Germany
Yasuyoshi Chibayasuyoshi/AFP/Getty Images
An orangutan covers itself with a blanket during winter time at Rio de Janeiro Zoo in Brazil
Hendrik Schmidt/Getty Images
Zoo keepers administer prophylactic treatment to a two-month-old female panda on Thursday at the zoo in Leipzig, Germany
‘Pina-Nessie’ gets to know the other elephants in her enclosure at the Wuppertal zoo in Germany on Monday. According to officials, the female baby was born early on Sunday after a European record gestation period of 674 days
Two Ankole-Watusi bulls lock horns in their enclosure at the zoo in Duisburg, Germany.
Hamadryas baboons at the Emmen Zoo in Emmen, in the Netherlands, on Wednesday. The baboons have not eaten and sit close together in the trees and in a small corner of their island. A few years ago the same group of baboons showed a similar behaviour of mass apathy that could not be explained by their keepers.