Data from: Increasing photoperiod stimulates initiation of spring migratory behaviour and physiology in a facultative migrant, the pine siskin

Ashley R. Robart, Mali M.K. McGuire, Heather E. Watts & Mali M. K. McGuire
The transition to a migratory state involves coordinated changes in physiology and behaviour. In species with regular, predictable (obligate) migrations, increasing day length triggers the expression of a spring migratory state and androgens play an important role in stimulating its development. In contrast, we know very little about the environmental cues and endocrine mechanisms that regulate migration in species with less predictable (facultative) migrations. Here, we tested whether photoperiod stimulates a migratory state in a...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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