Observed in the wild (as opposed to various forms of captivity, such as aviaries, falconry displays or pinioned birds in public parks). Locations apply to birds observed in the wild only. |
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Olive-green Tanager (Orthogonys chloricterus)
Brazil – April -
Orange-headed Thrush (Geokichla (Zoothera) citrina) -
Orange-winged Amazon (Amazona amazonica) -
Oriental Magpie-robin (Copsychus saularis)
Myanmar – April -
Oriental White-eye (Zosterops palpebrosus) -
Osprey (Pandion haliaetus)
Wales – March; England – May; Scotland – June; Corsica – May -
Ostrich (Struthio camelus)
Botswana – August -
Oystercatcher (Haematopus ostralegus)
see also Eurasian Oystercatcher
Wales – April, May, July-October, December; Goldcliff – April; Gower – August; Skomer – April, May, July; Skokholm – May; Bardsey – May; England – March, April, July-October; Lundy – July, August; New Forest – April; Scotland – June, July, September; Orkneys – July; Shetlands – June; St.Kilda – June; Ireland – June, August, September; Belgium – January, May