Wings of tropical finches: interspecific differences in shape are consistent with levels of mobility, but moult and feather fault patterns are more complex
Franklin, Donald C.; Legge, Sarah; Skroblin, Anja; Heathcote, Joanne; Maute, Kim; Schaefer, Douglas J; Garnett, Stephen T
Birds’ wings reflect their life histories, suggesting evolutionary selection for wing shapes and moult strategies. Compared to sedentary species, long-distance migrants have narrower wings (for fast, efficient flight); they have fewer feather faults and avoid moulting flight feathers during migration (to optimise flight surface performance). It is unclear whether these patterns apply to species that fly short-intermediate distances, like tropical nomads. We compared wing shape, feather...[Show more]
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