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©André Bhérer, All rights reserved

ABITIBI-TÉMISCAMINGUE, QC.CA Although brood parasitism is relatively common in some species of ducks, the redhead has the greatest tendency of all ducks to carry out this behaviour. Females will parasitize the nests of their peers or that of other ground-nesting duck species. Some females will be completely parasitic and will never incubate their own eggs. ©André Bhérer