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Partial Masquerading and Background Matching in Two Asian Box Turtle Species(Cuora spp.)

Asian Herpetological Research 2022年第3期13卷 168-179页

作者： Rongping BU Fanrong XIAO PGeorge LOVELL Jichao WANG Haitao SHI Ministry of Education Key Laboratory for Ecology of Tropical Islands Key Laboratory of Tropical Animal and Plant Ecology of Hainan ProvinceCollege of Life SciencesHainan Normal UniversityHaikou 571158HainanChina Division of Psychology and Forensic Sciences School of Applied SciencesAbertay UniversityDundee DDI 1HGUK

Animals living in heterogeneous natural environments adopt different camouflage strategies against different backgrounds,and behavioral adaptation is crucial for their ***,studies of camouflage strategies have not always quantified the effect of multiple strategies used *** the present study,we used a human visual model to quantify similarities in color and shape between the carapace patterns of two Cuora species and their preferred *** results showed that the color of the middle stripe on the carapace of Cuora galbinifrons(Indochinese box turtle)was significantly similar to the color of their preferred ***,the middle stripe on the carapace of ***(keeled box turtle)contrasted more with their preferred substrates,and the side stripe matched most closely with the ***,the carapace side stripe of *** and the carapace middle stripe of *** highly contrasted with their preferred *** quantified the similarity in shape between the highcontrast stripes of both Cuora species and leaves from their *** carapace middle stripe of *** was most similar in shape to leaves from the broadleaves substrate,and the carapace side stripe of *** was the most similar in shape to leaves from the bamboo-leaves *** determined that these species adopt partial masquerading when their entire carapace is exposed and partially match their background when they semi-cover themselves in leaf *** the best of our knowledge,this is the first study to demonstrate that partial masquerading and background matching improve the camouflage effect of Asian box turtles in their preferred *** is a novel study focusing on the influence of the shape and color of individual carapace segments on reducing detectability and recognition.

关键词： camouflage Cuoragalbinifrons Cuora mouhoti patterns protective coloration

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