fledgeling
     adj : of a young bird just having acquired its flight feathers; "a
           fledgling robin" [syn: {fledgling(a)}, {fledgeling(a)}]
     n 1: any new participant in some activity [syn: {newcomer}, {fledgling},
           {starter}, {neophyte}, {freshman}, {newbie}, {entrant}]
     2: young bird that has just fledged or become capable of flying
        [syn: {fledgling}]
Source: WordNet® 2.0