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Bird migrations tracked over 5,000mi with 1.5g sensors

Read a couple of weeks ago but forgotten until now: the IHT reports on a Science article [subscription required] in which Toronto researchers track the migration patterns of birds over thousands of miles, using tiny backpacks that are light enough for songbirds to carry but still accurate enough to track movement remotely within a few miles.

One of their key novel findings is the distance that such birds can travel in one day: up to 370 miles, much larger than previously thought.

One boggles at the potential future uses of such technologies.