The gyrfalcon has a system of increasing and decreasing drag with its wings and feathers to control
The gyrfalcon has a system of increasing and decreasing drag with its wings and feathers to control its speed during a dive while tracking prey. It’s during these dives that it can reach a maximum speed of 128 km/h, making it the 9th fastest bird alive. #science #nature #animals #birds #topten #fastest #gyrfalcon http://ift.tt/1MwaVNd -- source link
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