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duck-hawk
[f. duck n.1 + hawk.]
1. A common English name of the marsh harrier or moor-buzzard (Circus æruginosus).
1812Note in Pennant's Zool. I. 237 In some places it [the Moor Buzzard] is called duck hawk. 1876T. Hardy Ethelberta (1890) 7 Another large bird, which a countryman would have pronounced to be one the biggest duck-hawks that he had ever beheld.
2. U.S. Applied to the American variety of the peregrine falcon (Falco peregrinus var. anatum).
1884Roe Nat. Ser. Story iv, Our duck or great-footed hawk is almost identical with the..peregrine falcon of Europe..It measures about forty-five inches in the stretch of its wings, and its prevailing color is of a dark blue. |