2021
DOI: 10.1016/j.anbehav.2021.08.018
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Plumage convergence resulting from social mimicry in birds? A tetrachromatic view

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Cited by 4 publications
(2 citation statements)
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“…A JND threshold of one is typically used. However, spectra separated by a JND threshold of one could still be impossible to distinguish between each other and so we use a threshold of two as used for bird plumages (Meneses-Giorgi and Cadena 2021). We use a relative receptor density of 1:2:2:4 (ultraviolet:short:medium:long-wave receptors) along with a Weber fraction of 0.1 for both chromatic and achromatic receptors for the UV-sensitive bird model (Kelber et al 2003; Maier and Bowmaker 1993).…”
Section: Methodsmentioning
confidence: 99%
“…A JND threshold of one is typically used. However, spectra separated by a JND threshold of one could still be impossible to distinguish between each other and so we use a threshold of two as used for bird plumages (Meneses-Giorgi and Cadena 2021). We use a relative receptor density of 1:2:2:4 (ultraviolet:short:medium:long-wave receptors) along with a Weber fraction of 0.1 for both chromatic and achromatic receptors for the UV-sensitive bird model (Kelber et al 2003; Maier and Bowmaker 1993).…”
Section: Methodsmentioning
confidence: 99%
“…In addition, the analysis of intraspecific variation of plumage lightness could bring new insights about urbanization effects on bird species. Intraspecific plumage variation of lightness, such as the presence of bright plumage patches, may indicate both intra and interspecific communication [36,37]. In contrast, uniform plumage lightness may favor camouflage.…”
Section: Introductionmentioning
confidence: 99%