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Arlington Reservoir
Illustrated Checklist
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Native and Naturalized (223)
Exotic: Escapee (2)
Hybrids (2)
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Marshall Iliff on 30 Nov 2021
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Bob Stymeist on 14 Apr 2025
Additional Taxa (44)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Dan Littauer on 17 Jan 2022
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Maria Moyser on 17 Mar 2022
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Ann Gurka on 26 May 2001
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Jason Forbes on 22 Sep 2005
- Sharp-shinned/Cooper's Hawk Accipiter striatus/Astur cooperiiLast observed by Ann Gurka on 12 Sep 2024
- Accipitrine hawk sp. (former Accipiter sp.) Aerospiza/Tachyspiza/Accipiter/Astur sp.Last observed by Andrew Joynt on 4 Apr 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Ann Gurka on 26 May 2001
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Eleanor Shavell on 10 Nov 2021
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Neil Hayward on 14 May 2020
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Mark Price on 16 Oct 2022