信天翁与虎鲸

信天翁与虎鲸在信天翁背上放了小型摄录机,录到它与虎鲸共同觅食的片断。Albatross-camcapturesamazingimages16-09-2009Uniquepicturesretrieve

与虎鲸

背上放了小型摄录机,录到它与虎鲸共同觅食的片断。

Albatross-cam captures amazing images

16-09-2009

Unique pictures retrieved from cameras placed on albatrosses' backs show the birds feeding alongside Orca Orcinus orca – also known as Killer Whale.

The images were captured by placing specially developed cameras in the centre of four Black-browed Albatrosses Thalassarche melanophrys nesting on Bird Island, off the north-west tip of South Georgia in the Southern Atlantic Ocean. The cameras weighed just 83 grams, took an image every 30 seconds and could store up to 10,000 images in total.

The work was undertaken by Professor Takahashi from the National Institute of Polar Research, Tokyo who worked alongside colleagues from Hokkaido University in Sapporo, Japan and the British Antarctic Survey in Cambridge, UK. "We were so bored because most of images showed just 'featureless' ocean," said Professor Takahashi. "Then we suddenly saw some albatrosses flying in front of the camera and then found the Killer Whale in the image."

“we suddenly saw some albatrosses … then found the Killer Whale” —Professor Takahashi, National Institute of Polar Research, Japan

Black-browed Albatrosses travel hundreds of kilometers to locate and feed on their prey. The discovery that the birds may follow Orcas may explain how they find their prey in an apparently featureless open ocean.

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