Shiliang PANG, Huixin LI, Wanyu WEN, Wenfeng WANG, Minghao GONG, Qiang DAI, Zhongyan GAO, Xu PAN, Fawen QIAN

The partitioning of temporal movement patterns of breeding red-crowned crane (Grus japonensis) induced by temperature

Patterns of movement through time are important components of animal behavior and key to understanding animal ecology.Due to methodological challenges, including tracing and analyzing movements and their changes, they are seldom studied to identifyboth seasonal patterns and their driving forces. Using seven GPS-collared red-crowned cranes (Grus japonensis, RCCs), we recordedtheir moving distances and concurrent climatic data to analyze the relative importance of these factors in RCC movements. Temperaturewas identified as the most important of these climatic variables in RCC movements. Based on temperature dependence and researcherexpertise, we determined RCC temporal movement patterns as mating, brooding, wading, and growing with specific temporal periodspartitioning. With the distance quantile of movement, we also identified the preferred temperature ranges in each temporal pattern. Thefour specific temporal partitionings of breeding movement and their preferred temperature ranges can effectively help wildlife managersdevise conservation budgets and allocate resources. Our study provides a robust methodology in the partitioning of avian temporalmovement patterns and further the understanding of animal behavior ecology, which is applicable to the study and conservation ofother species, as well as for RCCs.

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