Host response to brood parasitism in two species of diving duck

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B D Dugger
P Blums
L H Fredrickson

Abstract

We used egg addition experiments and naturally parasitised nest of Common Pochard Aythya ferina and Tufted Duck A. fuligula to look for three host responses to brood parasitism; nest abandonment, egg discrimination, and between-year nest site movement. Parasitised females did not abandon nests more often (P = 0.26), discriminate against parasite eggs (P's >/= 0.38) or move their nests a greater distance (P's >/= 0.39) than non-parasitised females for either species. Host female Common Pochards and Tufted Ducks do not discriminate against parasitic eggs once they are added to the nest.

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How to Cite
Dugger, B. D., Blums, P., & Fredrickson, L. H. (1999). Host response to brood parasitism in two species of diving duck. Wildfowl, 69–76. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/154579
Issue
Wildfowl 50
Section
Standard Papers

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