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RNL Estuário do Douro--área geral
Illustrated Checklist
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Native and Naturalized (217)
Exotic: Provisional (3)
Exotic: Escapee (6)
Hybrids (2)
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Ana Amaral on 21 Apr 2024
- Black-headed x Mediterranean Gull (hybrid) Chroicocephalus ridibundus x Ichthyaetus melanocephalusLast observed by Pedro Cardia on 27 Aug 2015
Additional Taxa (40)
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Joel Neves on 10 Dec 2022
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Helder Vieira on 20 Apr 2021
- Slender-billed/Black-headed Gull Chroicocephalus genei/ridibundusLast observed by Francisco Pires on 2 Mar 2023
- Yellow-legged/Lesser Black-backed Gull Larus michahellis/fuscusLast observed by Ana Amaral on 21 Apr 2024
- Great Cormorant/European Shag Phalacrocorax carbo/Gulosus aristotelisLast observed by Pedro Cardia on 16 Dec 1995
- Willow Warbler/Common Chiffchaff Phylloscopus trochilus/collybitaLast observed by João Carvalho on 25 Aug 2018
- Willow Warbler/Common Chiffchaff/Iberian Chiffchaff Phylloscopus trochilus/collybita/ibericusLast observed by Helder Vieira on 14 Sep 2020
- Common/Iberian Chiffchaff Phylloscopus collybita/ibericusLast observed by Milas Santos on 9 Mar 2019