Sexual segregation, or the differential use of space by males and females, is hypothesized to be a function of body size dimorphism. Sexual segregation can also manifest at small (social segregation) and large (habitat segregation) spatial scales for a variety of reasons. Furthermore, the connection between small- and large-scale sexual segregation has rarely been addressed. We studied a popula...

REVIOUS papers from this laboratory have dealt with segregation of antiP genic characters of the red blood cells, peculiar to one or the other of the parental species, in hybrids from matings between Pearlneck (S t rep tope lk chinensis) and Ring dove (St. risoria) , Pearlneck and Senegal (St. senegalensis), and others. The use of the immunological technics described in these papers gave result...