Nests per quadrant Frequency observed Frequency expected S(freq. obs.- exp.)2/exp. 0-2 7 8.0233 0.1305 3-4 9 7.9405 0.1414 5 and more 4 4.0362 0.0003 Total 20 20 c2= 0.2722

Table 5: Fitting test of the nest results to the Poisson distribution.