Microhabitat Selection and Singing Behavior Patterns of Male House Finches (Carpodacus mexicanus) in Urban Parks in a Heavily Urbanized Landscape in the Western U.S.

Figure 2

Figure 2. Relationship between (log) house finch male singing rate and (a) (arcsin) perch height ratio (indicating how high in the perching substrate the male was singing), and (b) male position in the tree while singing (inner or outer part).