A cuckoo chick’s call can be so loud and demanding when wanting food that it can persuade birds other than its foster parent to feed it. The male cuckoo is famous for its’ distinctive ‘koo-kooo’ call, which has been imitated by clockmakers world-wide (the cuckoo clock, where-by rather than the clock chiming, it will make a koo-kooo sound). Females have a bubbly chuckle sound different from the males. Male Yellow-Billed Cuckoos make a distinctive series of hollow, wooden-sounding ka-ka-ka-ka-ka-