The two "hippopotamus" hippos in the zoo in Poland are one of the most impressive animals in the week.
Two hippos play together in the zoo in Warsaw, Poland.(Photo: EPA)
A blind orangutan lying with two children in Sibolangit city, Sumatra island, Indonesia.
Two young orangutans are not blind as their mothers.(Photo: PA)
A two-week-old penguin leans against a stuffed animal in Cincinnati zoo, USA.
(Photo: AP)
Kingfisher makes a perfect catch in the UK.(Photo: SOLENT)
Panda climbing tree in Hanzhong city, Shaanxi province, China.(Photo: Rex Features)
Two wild horses step in the snow in Mongolia.
A macaque monkey bathed in hot springs at Jigokudani zoo, city
Yamanouchi, Japan.This is a zoo dedicated to monkeys.(Photo: AP)
A dog confronts a fox in Lisiki, Russia.(Photo: CATERS)
The gorilla stepped with its hind legs like a zoo man
Port Lympne, Kent county, England.(Photo: Kevin Jenner)
A giraffe in the Prague zoo, Czech Republic.
Two elephant seals play fighting games on the British island of South Georgia.(Photo: Barcroft)
