Jacanas, Spotted Sandpipers. Females do not defend resources essential to males, but they interact among themselves to limit male access to females. The type of mating system can reflect aspects of a species ecology. If conditions are good, within a week males establish territories, attract females, build nests, lay eggs. Big investment by both sexes.
Females build nests, raise young etc.
Young are fed from male s territory. Move in and reproduce quickly then leave.