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Extraordinary size and survival of American black duck, Anas rubripes, broods

January 1, 2004

Two female American black duck, Anas rubripes, were initially observed during June 1982 with 20 Class Ib or 18-22 Class Ia-b ducklings in two wetlands in Hancock County, Cherryfield, Maine. Fifteen of 20 ducklings (75%) in one brood and 16 of 18-22 ducklings (72-89%) in the other brood survived to fledge. These large broods probably resulted from post-hatch brood amalgamation.

Publication Year 2004
Title Extraordinary size and survival of American black duck, Anas rubripes, broods
DOI 10.22621/cfn.v118i1.897
Authors J. R. Longcore, D.G. McAuley
Publication Type Article
Publication Subtype Journal Article
Series Title Canadian Field-Naturalist
Index ID 5224408
Record Source USGS Publications Warehouse
USGS Organization Patuxent Wildlife Research Center