Pippinella is special in that she possesses what is generally assumed to be an exclusive trait of male canaries: birdsong. Ultimately, Doctor Dolittle creates a "Canary Opera" (using canaries and other bird species as well), based on Pippinella's life story.
Pippinella stands out because she possesses a characteristic typically thought to be unique to male canaries: birdsong. Eventually, Doctor Dolittle creates a "Canary Opera" (utilizing canaries and other bird species as well), based on Pippinella's life story.