Behav Ecol Sociobiol (2017) 71:129 DOI 10.1007/s00265-017-2358-5 ORIGINAL ARTICLE 1 1 2 Ethan J. Temeles & Alexandra R. Mazzotta & April Williamson Received: 11 April 2017 /Revised: 14 July 2017 /Accepted: 20 July 2017 Springer-Verlag GmbH Germany 2017 Abstract temperate communities converge on red flowers, which may Many nectar-feeding animals use cues (floral signals) to lo- eliminate color as a cue for resource partitioning, whereas the cate, identify, and discriminate between floral resources. availability of plant species differing in floral color and pattern Whether competing pollinators can use cues to partition re- may provide tropical nectarivores with cues for resource sources, however, has received little attention despite exam- subdivision. ples of pollinators differing in resource use. We examined whether sexes of the purple-throated carib hummingbird, Significance statement Our results have major implications for the evolution of spe- Anthracothorax jugularis, partition artificial nectar sources (feeders) by color (red or yellow) or position (left or right), cies diversity. Because plants and pollinators may reciprocally affect each other’s evolution, partitioning of floral resources and whether such partitioning changes in response to changes in nectar reward. At equal nectar concentrations, sexes by color may not only affect traits of pollinators but also may
Behavioral Ecology and Sociobiology – Springer Journals
Published: Jul 31, 2017
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