2004). Some species lack feathers over the neck and head. Storks don't have any syrinx and are mute, giving no chook phone; bill-clattering is a crucial mode of stork interaction on the nest. White storks begin their mating period Each individual spring when males return to breeding grounds, in March https://sethtw51a.amoblog.com/5-simple-statements-about-stork-explained-48310839