Knut the polar bear

A baby Knut lies in an incubator at Berlin zoo Photograph: Peter Griesbach/EPA

Knut wows one of the zookeepers Photograph: Zoo Berlin/Getty

Knut takes his first walk under the gaze of the public.

Audio report: Kate Connolly watches the bear's first public appearance in Berlin. Click HERE to listen

Photograph: Sean Gallup/Getty

Keeper Thomas Doerflein presents the cub at its first public appearance in Berlin zoo Photograph: Franka Bruns/AP

Knut faces a battery of photographers Photograph: Wolfgang Kumm/EPA

The bear licks his handler's face Photograph: Axel Schmidt/AFP

Knut is photographed during his first outing Photograph: John MacDougall/Getty

Knut sits behind a log Photograph: Markus Schreiber/AP

German environment minister Sigmar Gabriel chats with zookeeper Thomas Doerflein Photograph: Sean Gallup/Getty

Knut rolls in the sand Photograph: Franka Bruns/AP

The polar bear seems unfazed by the crowds Photograph: Wolfgang Kumm/EPA

Knut feeding at the zoo Photograph: Soeren Stache/EPA

Knut snatches a fish from the water during feeding at the zoo Photograph: Soeren Stache/EPA

Knut is now two days away from his second birthday Photograph: Tobias Schwarz/Reuters