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Konstanz
Illustrated Checklist
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Native and Naturalized (266)
Exotic: Provisional (3)
Exotic: Escapee (6)
Hybrids (8)
- Mallard x Red-crested Pochard (hybrid) Anas platyrhynchos x Netta rufinaLast observed by Teale Fristoe on 11 May 2023
- Red-crested x Common Pochard (hybrid) Netta rufina x Aythya ferinaLast observed by Gregor Wolf on 29 Apr 2020
- Common Pochard x Ferruginous Duck (hybrid) Aythya ferina x nyrocaLast observed by Volker Lange on 19 Sep 2023
- Red-crested Pochard x Tufted Duck (hybrid) Netta rufina x Aythya fuligulaLast observed by Christoph Randler on 24 Jan 2022
- Common Pochard x Tufted Duck (hybrid) Aythya ferina x fuligulaLast observed by Kalle Nibbenhagen on 8 Jan 2023
- Ring-necked x Tufted Duck (hybrid) Aythya collaris x fuligulaLast observed by Armin Kreusel on 22 Nov 2014
- Ferruginous x Tufted Duck (hybrid) Aythya nyroca x fuligulaLast observed by Armin Kreusel on 22 Nov 2014
- Carrion x Hooded Crow (hybrid) Corvus corone x cornixLast observed by Stephan Trösch on 18 Jan 2010
Additional Taxa (56)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Stephan Trösch on 13 Jul 2019
- Garganey/Green-winged Teal Spatula querquedula/Anas creccaLast observed by Jonathan Vogt on 2 Oct 2023
- Herring/Yellow-legged Gull Larus argentatus/michahellisLast observed by Heidi Murphy on 16 Jul 2023
- Caspian/Herring/Yellow-legged Gull Larus cachinnans/argentatus/michahellisLast observed by Coleta Holzhäuser on 17 Sep 2023
- Gray-headed/Eurasian Green Woodpecker Picus canus/viridisLast observed by Coleta Holzhäuser on 18 Sep 2023
- Melodious/Icterine Warbler Hippolais polyglotta/icterinaLast observed by Jay Huila Balvin on 13 May 2015
- Marsh/Common Reed Warbler Acrocephalus palustris/scirpaceusLast observed by Adrian Burke on 24 Jul 2015
- Willow Warbler/Common Chiffchaff Phylloscopus trochilus/collybitaLast observed by Claire Tsui on 9 Apr 2023
- Goldcrest/Common Firecrest Regulus regulus/ignicapillaLast observed by Cedrik von Briel on 27 Dec 2021
- Eurasian/Short-toed Treecreeper Certhia familiaris/brachydactylaLast observed by Tom Stadtmüller on 7 Jan 2024
- House/Eurasian Tree Sparrow Passer domesticus/montanusLast observed by Zoe Muehlenweg on 16 Dec 2021