Page last updated at 13:19 GMT, Friday, 26 February 2010

Vast Antarctic iceberg 'threatens marine life'

A vast iceberg that broke off eastern Antarctic earlier this month could disrupt marine life in the region, scientists have warned.

They say the iceberg, which is 78km long and up to 39km wide, could have consequences for the area's colonies of emperor penguins.

The emblematic birds may be forced to travel further afield to find food.

Dr Neal Young, a glaciologist at the Antarctic Climate and Ecosystems Research Centre in Tasmania, explains the significance, with footage of glacier before the iceberg split.

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