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Wien
Illustrated Checklist
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Native and Naturalized (231)
Exotic: Escapee (6)
Hybrids (6)
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Anonymous eBirder on 18 May 2019
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Simon Z on 1 Apr 2024
- Eurasian Wigeon x Mallard (hybrid) Mareca penelope x Anas platyrhynchosLast observed by Christian H. Schulze on 21 May 2021
- Common Pochard x Ferruginous Duck (hybrid) Aythya ferina x nyrocaLast observed by Zuzana Kobesova on 7 Sep 2023
- Black-headed x Mediterranean Gull (hybrid) Chroicocephalus ridibundus x Ichthyaetus melanocephalusLast observed by Bill Reynolds on 24 Oct 2023
- Carrion x Hooded Crow (hybrid) Corvus corone x cornixLast observed by Augustin Sticksel on 29 Apr 2024
Additional Taxa (44)
- Taiga/Tundra Bean-Goose Anser fabalis/serrirostrisLast observed by Christian H. Schulze on 29 Oct 2021
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Martin Riesing on 26 Dec 2020
- Caspian/Yellow-legged Gull Larus cachinnans/michahellisLast observed by Elias Ludescher on 23 Jan 2024
- Caspian/Herring/Yellow-legged Gull Larus cachinnans/argentatus/michahellisLast observed by Max Hoppe on 30 Sep 2023
- Great Spotted/Syrian Woodpecker Dendrocopos major/syriacusLast observed by Elias Ludescher on 23 Jan 2024
- Marsh/Common Reed Warbler Acrocephalus palustris/scirpaceusLast observed by Henning Deters on 6 May 2023
- Willow Warbler/Common Chiffchaff Phylloscopus trochilus/collybitaLast observed by Bernhard Schenner on 20 Apr 2023
- Eurasian/Short-toed Treecreeper Certhia familiaris/brachydactylaLast observed by Martin Foelser on 12 Jan 2024
- European Pied/Collared/Semicollared Flycatcher Ficedula hypoleuca/albicollis/semitorquataLast observed by Tom Schulenberg on 12 Aug 1973