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navigation success rates

navigation success rates

The proportion (success rate) of Speyeria cybele and Speyeria atlantis butterflies that successfully navigated to a target island after experimental release at 30, 40, 50, and 60 meters was significantly lower in butterflies exposed to a series of intense flashes immediately before release, to induce blindness. “Reduced success rates of flashed butterflies indicate that butterflies rely primarily on visual senses to detect and navigate to suitable habitat patches during interpatch and dispersal movements,” the research team that conducted the experiment writes. (Figure originally published in MacDonald et al 2019, Journal of Insect Science)

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