fledgling

lentämään opetteleva

lentämään oppinut linnunpoika, linnunpoika

aloitteleva

vasta-alkaja untried Untried or inexperienced.
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.
puhekieltä An immature, naïve and/or inexperienced person.