The monogamous bush robin pairs divvy up the "housework" between them: the female builds the nest and incubates the eggs, while the male is responsible for standing guard, and shares in finding food and feeding the hatchlings.
實行「一夫一妻」制的栗背林鴝，「家事」由兩性分工，母鳥築巢與孵蛋，公鳥負責警戒與分擔覓食、哺育寶寶的工作。