Why Does The Caged Bird Sing Quotes . Do birds sing because they are happy? Few, if any, survive their teens. The Caged Bird Sings With A Fearful Trill, Of Things Unknown, But Long... Quote By Maya Angelou, I Know Why The Caged Bird Sings - Quoteslyfe from www.quoteslyfe.com In fact, while singing, a bird can alternate exhaling between its two lungs and thereby sing in harmony with itself. “the caged bird sings with a fearful trill,of things unknown, but longed for still, and his tune is heard on the distant hill, for the caged bird sings of freedom.” — page 32 — “instead, pursue the things you love doing, and then do them so well that people can’t take their eyes off you.” She was “mya sister”) sleeps in a car in a junkyard, and wakes up to find several other curious boys and girls about her age (14 or 15) watching her.