There are a few question I think the judgment or organizing committee should clarify before the game, as it may influence the result, if you are serious about it.
A.) These species are not listed into A-D, but would they be counted?
Alexandra Parakeet, Grey-cheeked Fulvetta, House Crow, Azure-winged Magpie, Eurasian Collared Dove.
B.) These species are recently recognized, are they counted?
Red-breasted Flycatcher/ Red-throated Flycatcher; Vega Gull.
C.) Confusing status:
Which one is the Martin in HK? Pale Martin or Plain Martin, or both can be found in HK? As they will be likely seen in April.
Thanks,
Gary