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Willow Island
Illustrated Checklist
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Native and Naturalized (309)
Hybrids (1)
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Van Remsen on 19 Apr 2019
Additional Taxa (42)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Melissa Simon on 15 Apr 2024
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Paul Conover on 10 Dec 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Benjamin Byerly on 23 Apr 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by James Smithers on 17 Apr 2022
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Buford (Mac) Myers on 8 Apr 2023
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Paul Conover on 16 Dec 2023
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by David Muth on 8 Oct 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Michele Giroir on 16 Sep 2023
- Tropical/Couch's Kingbird Tyrannus melancholicus/couchiiLast observed by James W. Beck on 1 May 2021
- Boat-tailed/Great-tailed Grackle Quiscalus major/mexicanusLast observed by Paul Conover on 21 Apr 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Katie Percy on 11 Apr 2024