Reduced fitness of secondary females in a polygynous species: a 32-yr study of Savannah sparrows. - Mueller SD; Wheelwright NT; Mennill DJ; Newman AEM; Doucet SM; Burant JB; Dobney SL; Mitchell GW; Spina HA; Woodworth BK; Norris DR (Behavioral ecology : official journal of the International Society for Behavioral Ecology, 2024)