Scientists have recorded swifts flying vast distances of over 3,000 miles in the space of a few days.
The remarkable journey has been documented by tagging the birds with special geolocation devices that can track where they are. Researchers found that some of the birds managed to keep up an average speed of 25mph for five days non-stop, traveling over 3,000 miles during their migration from Africa to the UK.
Amazingly, some birds can fly even faster and further - the great snipe is able to fly at 60mph and cover over 4,000 miles in under four days.
"A common swift (Apus apus) has been recorded covering more than 3,100 miles in just five days during its migration from Africa back to the UK."
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