Heavyweights with Unexpected Skills - The Grazing Grounds of the Walrus

Viasat Nature/Crime

Korostus Korostus
Edellinen esitys:
Viasat Nature/Crime To 02.01.2014 klo 07.00

The walrus is known for its characteristic, massive teeth that stick out of the upper jaw. Without their teeth the animals could not survive - they are used as tools for many things. For one thing the teeth are used as ice picks to pull their giant bodies back onto the ice, then they also use their teeth to rummage through the mud on the ocean floor to search for snails, crabs and clams. Except for us humans they should not have many predators. But there is one other and it is primarily going for their young - the polar bear. It is very difficult to observe walruses: the arctic climate is the first deterrent. The Australian walrus specialist Jason Roberts has been living in Spitzbergen for many years and has been studying walruses and their family hierarchy up close. He takes us on an expedition to the 80th latitude where we will observe walruses as they feed underwater as it has never been filmed before. We will follow those heavy weights under the ice and will be confronted with one of the rarest sharks - the Greenland shark.

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