The call is seven to 9 loud, chuckling or cackling sounds that resemble laughter. They make grunting and chuckling sounds while eating and guttural calls during the breeding season. Various whistling, chuckling and mewing notes were observed from a captive bird. He frequently talks to her and reminisces, once chuckling at his past endeavors. " Chuckling, Ajlani replied, "It's good that they didn't! Other calls&colon; barking and chuckling, similar to the eastern screech owl. In between halves this same lad was chuckling to himself. Two of his books, "The Chuckling Whatsit" and "Mad Night", began as serials. The call is described as a "ratchetlike trill", "chuckling croak", or a "squeaky balloon-like sound". Chuckling, the Doctor says he'll cook supper. Another nickname was bestowed on the class, "Chuckling Charlies" due to their syncopated exhaust beat. An undersea exhibition that keeps the patrons chuckling all the way. Adults have been observed to make a "chuckling" sound. The chuckling call is a low rolling "croo-doo-doo-doo-doo" with a rising and falling amplitude. They also make a soft, chuckling call when searching for cossid moth larvae.