Additional file 6.
Figure S5. Histogram of percentage of marked and total lice donated. In this figure the dark grey bars represent the percentage of lice donated out of the total number of lice found on the body. The light grey bars represent the percentage of lice donated out of the total number of marked lice from that individual. When including the total number of lice on the body (both marked and unmarked), five individuals donated more than 50% of their lice, and received on average 0.6 lice. The remaining individuals who donated less than 50% of their total lice received on average 7 lice. This suggests that whether examining the total proportion of lice donated, or the proportion of marked lice that were donated, the trends are the same, and individuals with more lice typically receive more lice from others, and individuals with fewer lice typically donate a larger percentage of them. There is no significant correlation between the total number of lice and the number of lice donated (r = -0.08, p = 0.079), or between the number of lice marked and the number of lice donated (r = 0.036, p = 0.90).
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Zohdy et al. BMC Ecology 2012 12:4 doi:10.1186/1472-6785-12-4