Cuckoo Bird Nest. These brood parasites spook woodland birds from their nests, then lay their own eggs in them to be brought up by the host. They usually sit stock still, even hunching their shoulders to conceal their crisp white underparts, as they.
Many cuckoo birds build their own nests, incubate their own eggs, and feed their hatchlings. Its stuttering, croaking calls, audible at a.