. Bulletin. Natural history; Natural history. /SHOVELER-:;: Adults ::??:::::::::::::::::#::::M. 25 ^. 15-31 OCTOBER 1-15 16-30 NOVEMBER 1-15 DECEMBER Fig. 14.—Juvenile-adult composition of the autumn flights of mallards, green-winged teals, pintails, and shovelers in Utah, as indicated by checks of hunters' bags in the autumns of 1943 19+4, and 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 Illinois. Natural Hi
. Bulletin. Natural history; Natural history. /SHOVELER-:;: Adults ::??:::::::::::::::::#::::M. 25 ^. 15-31 OCTOBER 1-15 16-30 NOVEMBER 1-15 DECEMBER Fig. 14.—Juvenile-adult composition of the autumn flights of mallards, green-winged teals, pintails, and shovelers in Utah, as indicated by checks of hunters' bags in the autumns of 1943 19+4, and 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
