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Showing 1 to 2 of 2 for “"duckling mass"”.
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Population ecology of wood ducks in Nevada under experimental manipulation of harvest
… rates). In duck species, the probability of duckling survival is an important component of recruitment into the breeding population. In chapter four I investigated how variation in maternal investment in offspring by nesting female wood ducks affected duckling mortality (1-survival) to 60 …
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Drivers of Productivity of Montane and Boreal Breeding Ducks
… duck species) years. I used age-corrected body masses of 5727 scaup ducklings at RRL and 26 years of annual duck pair and brood abundance counts at YKSA to assess annual variation in duckling quality (RRL) and productivity (YKSA). Age-corrected scaup duckling body mass was lower in years of both …