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Old July 1st, 2020 #26
alex revision
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10 of the World’s Fastest Birds



From the peregrine falcon to the common swift, meet the cheetahs of the sky.

June 30, 2020

The cheetah will almost always win a race on land. But in the sky, the contest for the fastest bird depends on whether you're measuring level flight or speed while diving after prey.

Researchers aren't in agreement about which bird gets top honors. In fact, the Guinness Book of World Records was actually created in the 1950s when Sir Hugh Beaver, managing director of the Guinness Brewery, got into an argument with friends about the fastest game bird in Europe.

No one could find an answer in a reference book, so Beaver decided to create one.

Here are some of the speediest fliers in the skies.

https://www.treehugger.com/fastest-birds-5070090