. Birds of Massachusetts and other New England states. Birds; Birds. Bill op a Hawk Showing Measurement. Bill measurements of hawks, eagles and vultures are taken from the tip of the upper mandible to the front edge of the Method of measuring tail. In measuring the tail when the outer feathers are longest the distance is taken between the inser- tion of the two central quills and the end of the longest outer tail-feather — a measurement longer than the span between the two vertical Please note that these images are extracted from scanned page images that may have been digitally
. Birds of Massachusetts and other New England states. Birds; Birds. Bill op a Hawk Showing Measurement. Bill measurements of hawks, eagles and vultures are taken from the tip of the upper mandible to the front edge of the Method of measuring tail. In measuring the tail when the outer feathers are longest the distance is taken between the inser- tion of the two central quills and the end of the longest outer tail-feather — a measurement longer than the span between the two vertical 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 Forbush, Edward Howe, 1858-1929; Massachusetts. Dept. of Agriculture. [Norwood, Ma. : Printed by Berwick and Smith Company]
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License: Licensed
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Keywords: ., bookauthorforb, bookcentury1900, bookdecade1920, booksubjectbirds
