Males. (A) Unweighted pair-grouped method with arithmetic average dendrogram derived from Mahalanobis distances between collection sites. (B) Map of the houses included in the analyses. The two circles correspond to collection sites grouped together and presented no significant differences in Mahalanobis distances (P > 0.001). The first two letters are the name of the community; the numbers after community names are house numbers; DOMI, domicile; CO, D, O, are kitchen or storeroom; G, RG, CE are sites associated with chickens.