Tonja takes her first dip.
Polar bear cub died of multiple organ failure.
Our little polar bear Fritz has died.
The polar bear cub has fallen seriously ill.
Stocktaking at the Zoo, Tierpark and Aquarium.
International Polar Bear Day: Big hopes placed on little Fritz.
The polar bear habitat at Tierpark Berlin is being refurbished.
Jury decides on a name for the polar bear baby at Tierpark Berlin.
Amur tiger Artjom to move to Japan.
First veterinary examination for the polar bear cub at the Tierpark Berlin.