Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSeasonal decline in brood sizes of sympatric waterfowl (Anas and Aythya, Anatidae) and a proposed evolutionary explanationAuthorsToft, C. A.; Murdy, H. W.; Trauger, D. L.SubjectsWATERFOWL; ANAS; AYTHYA; BIRDS; EVOLUTIONARY theoriesPublicationJournal of Animal Ecology, 1984, Vol 53, Issue 1, p75ISSN0021-8790Publication typeArticleDOI10.2307/4343