Ultraviolet reflectance of great spotted cuckoo eggs and egg discrimination by magpies

  title={Ultraviolet reflectance of great spotted cuckoo eggs and egg discrimination by magpies},
  author={Jes{\'u}s Miguel Avil{\'e}s and Juan Jos{\'e} Soler and Tom{\'a}s P{\'e}rez-Contreras and Manuel Soler},
Hosts of obligate avian brood parasites use visual cues to distinguish between their own eggs and those of the parasite. Despite major differences between human and bird vision, most previous studies on cuckoo egg mimicry estimated color matching based on human color vision. Undetected by humans, ultraviolet reflectance (UVR) may play a previously ignored role for rejection behavior in avian brood parasite systems. We explored this possibility by manipulating UVR of great spotted cuckoo… CONTINUE READING
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