hunger-cries

Updated: May 29, 2025

But if while being thus fed the parent returns and emits the warning note, they instantly cease their hunger-cries, close their gaping mouths, and crouch down frightened in the nest. This fear caused by the parent bird's warning note begins to manifest itself even before the young are hatched and my observations on this point refer to several species in three widely separated orders.

W. H. (William Henry) Hudson - The Naturalist in La Plata