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Taubenschwaenzchen_Zeitlupe_-_Hummingbird_Hawk-Moth_Slow_Motion.ogv (Ogg Theora video file, length 39 s, 640 × 480 pixels, 1.64 Mbps, file size: 7.62 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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Slow-motion video of hummingbirds feeding. The highest recorded wingbeat rate for hummingbirds during hovering is 99.1 per second, as measured for male woodstars (Chaetocercus sp.). [156] Males in the genus Chaetocercus have been recorded above 100 beats per second during courtship displays. [156]
The rufous hummingbird (Selasphorus rufus) is a small hummingbird, about 8 cm (3 in) long with a long, straight and slender bill. These birds are known for their extraordinary flight skills, flying 3,200 kilometres (2,000 miles) during their migratory transits.
If this was just five years ago, let alone 10 or 20, the prospect of 72-year-old Bill Belichick as a college football coach would have been more about a splashy hire than the promise of great success.
A wave of consumer discontent appears to have helped lift him back into the Oval Office, but Trump now faces the task of how to ease voters' frustration. Food inflation soared to a peak of more ...
Hummingbirds are a unique exception – the most accomplished hoverers of all birds. [11] Hummingbird flight is different from other bird flight in that the wing is extended throughout the whole stroke, which is a symmetrical figure of eight, [17] with the wing producing lift on both the up- and down-stroke.