Vienna Zoo marks first International Chameleon Day

Vienna Zoo records 450 beetle species in its diverse habitat

Northern rockhopper penguin chicks hatch at Vienna Zoo

Vienna Zoo builds new mountain landscape for animals

European marsh turtles return home after a 'winter vacation' at Vienna Zoo

Vienna Zoo marks World Polar Bear Day

Spectacled bear eyes up fruit and veg Christmas tree

World's oldest zoo celebrates 270th anniversary with adorable new squirrel monkey babies in Austria

Vienna zoo species protection project ensures survival of one of the rarest turtle species in the world

Adorable new orangutan baby with historic name to live up to born in Vienna Zoo

Orangutan gives birth at zoo in Vienna, Austria

Adorable rockhopper penguin chicks steal the show at Vienna zoo

Adorable king penguin chick from Vienna Zoo to be presented at species conservation conference

Vienna zoo animals mark International World Watermelon Day

Two prairie dog babies born underground appear at Vienna zoo

Polar bears at Vienna Zoo play in the snow as organisation joins scheme to protect endangered speci