Explore the world’s fastest birds of prey, from falcons to eagles, and learn how extreme speed and high-velocity make them ...
The common swift may not have a fancy name, but these small birds are marvels of velocity. Regularly cruising around 110kph ...
"Papers and discussions of a conference held by the University of Wisconsin from 29 August to 1 September 1965." The peregrine falcon : life history and population literature / Joseph J. Hickey and ...
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