Article
Wing morphology, winter ecology, and fecundity selection: evidence for sex-dependence in barn swallows (Hirundo rustica).
Oecologia - 1 Aug 2017
Saino Nicola, Ambrosini Roberto, Caprioli Manuela, Liechti Felix, Romano Andrea, Rubolini Diego, Scandolara Chiara
Abstract excerpt
Variation in wing morphology results from the combination of diverse selection pressures. Wing feather morphology within species varies with sex and ontogenetic effects, and also with ecological factors. Yet, the direction of causation for the wing morphology-ecology association remains to be elucidated. Under the 'ecology-dependence' hypothesis, wing morphology covaries with ecological conditions, because the...
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