Vivid birds do not initiate flight sooner despite their potential conspicuousness

Abstract

The distance from an approaching threat at which animals initiate flight -flight-initiation distance (FID) -is a sensitive metric of variation in risk, but the effects on FID associated with the risk of possessing highly detectable external coloration are unknown. We tested whether variation in the degree of plumage vividness in birds explained variation in… (More)

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