Sexual dimorphism in bill length and curvature of female (A) and male (B) purple-throated caribs, Eulampis jugularis, flowers of the green (C) and red-green morphs (D) of Heliconia bihai and H. caribaea (E), and bracts of the green (F) and red-green (G) morphs of H. bihai and H. caribaea (H). (I) Female purple-throated carib feeding at flower of the green morph of . (J) Male purple-throated carib feeding at flower of H. caribaea; part of the bract has been removed. See Temeles et al. 2009 Ecology.

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