The Cornell Lab Bird Academy › Discussion Groups › Bird Identification › What bird is this? Immature common merganser? JaneParticipant Chirps: 5 You must be logged in to reply to this topic. AnnabethParticipant Chirps: 107 Goose or duck? EstebanParticipant Chirps: 164 That is not a common merganser. It has not a curved bill SarahParticipant Chirps: 50 Where did you see it?