Sentences with phrase «wing beat frequency»
To gain more insights, Weimerskirch and his colleagues outfitted dozens of frigates with solar - powered transmitters, or data - loggers, to measure the birds» heart rate, wing beat frequency, acceleration, altitude, and GPS coordinates.
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It turned out 90 Hz is near the same frequency as wing beats of parasitic wasps, the jumping spider's biggest enemies, which provision their nests with jumping spiders for their young to feed on.
Furthermore, the fundamental frequency of male wing beats have been measured at 500 to 900 Hz, far lower than the high - pitched tone emitted by Fugue FM.
The note given off by the wing - beat frequency attracts males at specific mating times.
Not only can they pick up sounds from at least 375 body - lengths away (about 10 feet), but they're also specially attuned to the frequencies produced by the wing beats of their flying enemies, like the wasp.