00796nam a2200253Ia 4500001000700000003000500007005001700012008004100029010001700070020001000087035001900097037002500116040001800141074000900159086001800168100002900186245009100215260005400306300004200360650003400402650002600436650003700462710004300499112355BIBL20160527183347.0921124s1992    dcua         f000 0 eng d  aocm27021386   c23.00  a(DGPO)93056875  a024-010-00695-1bGPO  aGPOcGPOdDLC  a06120 aI 49.2:D 85/710aCarney, Samuel M.2Local10aSpecies, age, and sex identification of ducks using wing plumagecby Samuel M. Carney.0 aWashingtonbU.S. Fish and Wildlife Service, 1992.  aiii, 144 p.bill. (some col.)c26 cm. 0aDucksxIdentification.2Local 0aDucksxSexing.2Local 0aDucksxAge determination.2Local20aU.S. Fish and Wildlife Service.2Local