The BBC has a fascinating article on new discoveries about British Puffins, which are now shown to congregate in the Atlantic halfway to Iceland over winter, with birds form both the East and West coasts of the UK heading out that way. It was previously assumed that East Coast birds stay head out into the North Sea.

That's interesting in itself, but the article stands out for the little bonus facts that it throws in as part of the voyage of discovery. You'll have to read the article to find out for yourself how the Puffins' location was tracked with a 1.5g device that uses a simple trick to record its position, and how it was fooled by the birds tucking their feet into their feathers whilst sleeping on the water.

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