Not all cuckoos are brood parasites, but the cuckoos in our area all lay eggs in the nests of other birds and leave the hosts to raise the young. The female cuckoo surreptitiously approaches a host nest and rapidly lays a single egg and also removes another egg from the nest. She will lay 4 to 5 eggs on successive or alternate days in different nests, and most will lay about 20 eggs in total over one breeding season. Continue reading “The cuckoo has landed”