"Eufalconimorphae is a proposed clade of birds, consisting of passerines, parrots, falcons, caracaras, and forest falcons (but not other raptors). It has whole-genome DNA support.The Eufalconimorphae ...
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is noted to produce aerodynamic force during the upstroke of the flight, this is supposed to help create a vertical flight pattern." - (Wikipedia (en) 18.09.2020)