A young bird which has just developed its flight feathers (notably wings).
An insect that has just fledged, i.e. undergone its final moult to become an adult or imago.
An immature, naïve or inexperienced person.
Emergent or rising.
Untried or inexperienced.
A bird having a melodious song or call.
Any bird in the passerine suborder Passeri, which are distinguished by a more sophisticated vocal apparatus