Article
Breeding on the leading edge of a northward range expansion: differences in morphology and the stress response in the arctic Gambel's white-crowned sparrow.
Oecologia - 1 Jan 2016
Krause Jesse S, Chmura Helen E, Pérez Jonathan H, Quach Lisa N, Asmus Ashley, Word Karen R, McGuigan Michaela A, Sweet Shannan K, Meddle Simone L, Gough Laura, Boelman Natalie, Wingfield John C
Abstract excerpt
Individuals at the forefront of a range shift are likely to exhibit phenotypic traits that distinguish them from the population breeding within the historic range. Recent studies have examined morphological, physiological and behavioral phenotypes of individuals at the edge of their range. Several studies have found differences in the hypothalamic-pituitary-adrenal (HPA) axis activity in response to acute...
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