A sailboat looks around icebergs for a polar bear and finds one!
Further adventures of Captain Bob Bartlett - polar bear hunting and seal watching.
Polar bear with twin cubs at Stockholm Zoo.
Two new polar bear cubs arrive to Los Angeles zoo.
Pipaluk, polar bear cub, makes public debut at London Zoo.
Animals at Chessington Zoo, in Surrey cope with the cold winter snow.
Material relating to newsreel story 'Polar Twins' - 52/31
Bear Island, polar bears, huskies, station's staff at work, polar station.