Maneuverable flight evolved with forked tails and opportunities for extrapair mating in swallows and martins (Aves: Hirundininae)
Masaru Hasegawa
Abstract:Whole-organism performance in relation to ornamentation is often examined to evaluate the cost of ornamentation, assuming that high performance is favored by viability selection. These studies typically conduct experimental manipulations of ornamentation, which potentially impair phenotypic integration with compensatory traits, making it difficult to clarify performance function of ornamentation. Here, we adopted an alternative approach, macroevolutionary analysis, and examined the flight performance of swallo… Show more
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