. Birds of America;. Birds -- North America. * 'ftturdftuii fut'/if ROUGH-LEGGED HAWK Archlbuteo iaoopus snnctl'johannt'B (Gmelin) Black phase BROAD-WINGED HAWK Buleo plalyplerus (Vieillot) ADULT IMMATURE MARSH HAWK'^"â cu* Aiit/«oni'ii« (Linnaeus) .â . "ALE All } nat, size. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pearson, T. Gilbert (Thomas Gilbert), 1873-1943. New York, The University Society

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Keywords: ., bookcentury1900, bookdecade1920, bookidbirdsofameri, bookyear1923