Sex-specific recruitment rates contribute to male-biased sex ratio in Adélie penguins
Ecology and Evolution
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Abstract
Sex-related differences in vital rates that drive population change reflect the basic life history of a species. However, for visually monomorphic bird species, determining the effect of sex on demographics can be a challenge. In this study, we investigated the effect of sex on apparent survival, recruitment, and breeding propensity in the Adélie penguin (Pygoscelis adeliae), a monochromatic, slightly size dimorphic species with known age, known sex, and known breeding history data collected during 1996–2019 (n = 2127 birds) from three breeding colonies on Ross Island, Antarctica. Using a multistate capture–mark–recapture maximum-likelihood model, we estimated apparent survival (
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sex-specific recruitment rates contribute to male-biased sex ratio in Adélie penguins |
| Series title | Ecology and Evolution |
| DOI | 10.1002/ece3.10859 |
| Volume | 14 |
| Issue | 2 |
| Publication Date | February 20, 2024 |
| Year Published | 2024 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Coop Res Unit Seattle |
| Description | e10859, 12 p. |