Natural World: Walrus: Two Tonne Tusker

Series 32, episode 8

Directed by (unconfirmed)
Duncan Chard

For six years zoological and marine mammal reproductive physiologist Holley Muraco has been trying without success to breed Pacific walruses, and only 15 pups having been born in captivity in the last eight decades. To discover more about their behaviour she heads from her base in California to their breeding grounds in northern Alaska to see if the answers can be found in the wild

Cast (unconfirmed)

Holley Muraco
Duncan Chard
Roger Webb
Stephen Dunleavy
Chris Cole