2004). Some species lack feathers to the neck and head. Storks don't have any syrinx and therefore are mute, supplying no fowl contact; Monthly bill-clattering is a vital mode of stork interaction on the nest. White storks start their mating year each spring when males return to breeding grounds, in https://landennm16n.blogthisbiz.com/32399224/5-simple-statements-about-stork-explained