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Illustrated Checklist
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Native and Naturalized (383)
Exotic: Provisional (2)
Exotic: Escapee (7)
Hybrids (11)
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Takayuki Sakuma on 6 Apr 2024
- Mallard x Eastern Spot-billed Duck (hybrid) Anas platyrhynchos x zonorhynchaLast observed by Anonymous eBirder on 25 Apr 2024
- Baikal Teal x Northern Pintail (hybrid) Sibirionetta formosa x Anas acutaLast observed by Oscar Campbell on 10 Dec 1999
- Eurasian Wigeon x Northern Pintail (hybrid) Mareca penelope x Anas acutaLast observed by Takayuki Sakuma on 6 Apr 2024
- Common Pochard x Ferruginous Duck (hybrid) Aythya ferina x nyrocaLast observed by Mizue Inumaru on 28 Jan 2024
- Common x Baer's Pochard (hybrid) Aythya ferina x baeriLast observed by Kasia & Takashi Someya on 26 Feb 2022
- Ferruginous Duck x Baer's Pochard (hybrid) Aythya nyroca x baeriLast observed by Takayuki Sakuma on 13 Apr 2024
- Tufted Duck x Greater Scaup (hybrid) Aythya fuligula x marilaLast observed by Paul Ha on 7 Nov 2023
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Émile Brisson-Curadeau on 3 Mar 2024
- Dusky x Naumann's Thrush (hybrid) Turdus eunomus x naumanniLast observed by Martin Allen on 1 Jan 2020
Additional Taxa (95)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Anonymous eBirder on 2 Oct 2023
- Ring-necked/Green Pheasant Phasianus colchicus/versicolorLast observed by Anonymous eBirder on 24 Feb 2024
- Siberian/Tibetan Sand-Plover Anarhynchus mongolus/atrifronsLast observed by Graham Ekins on 29 Apr 2010
- sand-plover sp. Anarhynchus atrifrons/mongolus/leschenaultiiLast observed by Sunil Simha on 20 Apr 2024
- Far Eastern/Eurasian Curlew Numenius madagascariensis/arquataLast observed by Maksymilian Roman on 17 Apr 2024
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Kazuho Anjiki on 19 Aug 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Ryosuke Abe on 5 Jul 2020
- murrelet sp. Brachyramphus/Synthliboramphus sp.Last observed by Rebecca Rucker-Keegan on 17 Apr 2024
- Hydrobates sp. (Band-rumped complex) Hydrobates sp. (Band-rumped complex)Last observed by Angus Wilson on 21 Apr 2002
- storm-petrel sp. (dark-rumped) Oceanitidae/Hydrobatidae sp. (dark-rumped)Last observed by Rachael Kaiser on 18 Apr 2024
- storm-petrel sp. (white-rumped) Oceanitidae/Hydrobatidae sp. (white-rumped)Last observed by Philip Precey on 14 Apr 2024
- Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostrisLast observed by Kasia & Takashi Someya on 7 Apr 2024
- black-and-white shearwater sp. Puffinus sp. (black-and-white shearwater sp.)Last observed by yann muzika on 15 Mar 2024
- Pale-legged/Sakhalin Leaf Warbler Phylloscopus tenellipes/borealoidesLast observed by Toshiaki Suzuki on 21 Apr 2024
- Japanese Leaf/Arctic/Kamchatka Leaf Warbler Phylloscopus xanthodryas/borealis/examinandusLast observed by Nathan Ruser on 4 Nov 2023
- old world warbler sp. Passeriformes sp. (Old World warbler sp.)Last observed by Christophe Turcotte-van de Rydt on 11 Feb 2023
- Black-faced/Masked Bunting Emberiza spodocephala/personataLast observed by eugene cheah on 12 Apr 2024