fledgeling

(noun) any new participant in some activity. Synonyms: newcomer, fledgling, starter, neophyte, freshman, newbie, entrant.

(noun) young bird that has just fledged or become capable of flying. Synonyms: fledgling.

(adj) (of a young bird) having acquired its flight feathers. Synonyms: fledgling(prenominal), fledgeling(prenominal). Example: "A fledgling robin."