nestling

(n) young bird not yet fledged baby bird,
(n) a young person of either sex
- she writes books for children
- they're just kids
- "tiddler" is a British term for youngster
child, kid, minor, nipper, tiddler, youngster, shaver, small fry, tike, fry, tyke,

baby bird child kid minor nipper tiddler youngster shaver small fry tike fry tyke