Maternal stress to partner quality is linked to adaptive offspring sex ratio adjustment
Pryke, Sarah; Rollins, Lee A.; Buttemer, William A; Griffith, Simon C.
Female birds have been shown to have a remarkable degree of control over the sex ratio of the offspring they produce. However, it remains poorly understood how these skews are achieved. Female condition, and consequent variation in circulating hormones, provides a plausible mechanistic link between offspring sex biases and the environmental and social stresses commonly invoked to explain adaptive sex allocation, such as diet, territory quality, and body condition. However, although experimental...[Show more]
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