Video: Technology

Penguin-cam reveals Adelie krill kill skill (1:37) 

A camera attached to the head of an Adelie penguin in Antarctica has revealed new information about how the species feeds and, in particular, the ''stealth'' tactics it employs to catch krill. A Japanese researcher has just published his findings about the bird's hunting methods, and released new footage of the bird in action. Rob Muir reports. ( Transcript )

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