Fig. 1

Sample locations, landscapes, and wild insectivore compositions. a Distribution of mammals sampled in different counties in Yunnan Province, with different pie charts representing various mammal species and their percentages in each county, and the diameter of each pie chart indicating the number of samples collected. Altitude of each location is illustrated from lowest (green) to highest (red). b Landscape illustration depicting the habitats and altitudes of the collected insectivores. c Heatmap showing the number of samples collected from three insectivore groups in each county. d Rarefaction curve illustrating the insectivore sample sizes across different habitats and altitudes