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St. Louis
Illustrated Checklist
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Native and Naturalized (327)
Exotic: Provisional (1)
Exotic: Escapee (9)
Hybrids (8)
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Jane Shrum on 3 Apr 2024
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Samuel Belley on 22 Nov 2022
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Diane Bricmont on 9 Jan 2023
- Blue-winged x Green-winged Teal (hybrid) Spatula discors x Anas creccaLast observed by Doug Hommert on 4 Apr 2020
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Margy Terpstra on 21 Feb 2021
- House x Eurasian Tree Sparrow (hybrid) Passer domesticus x montanusLast observed by Lisa Saffell on 9 Aug 2022
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Kelly Smith on 3 May 2021
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Christopher Brown on 3 May 2022
Additional Taxa (87)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Dave haenni on 20 Jan 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Julie Walters on 21 Dec 2023
- Eurasian/African Collared-Dove Streptopelia decaocto/roseogriseaLast observed by Kyle Hawley on 3 Jan 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Dave haenni on 5 Sep 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Diane Bricmont on 13 May 2023
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Joshua Uffman on 6 May 2022
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Ryan Andrews on 22 May 2015
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Randy Schiller on 22 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Christian Hagenlocher on 10 Jan 2015
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Cornelius Alwood on 14 Aug 2023
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Jim Malone on 13 May 2023
- American/Fish Crow Corvus brachyrhynchos/ossifragusLast observed by Megan Shellenbergar on 23 Apr 2024
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Fran Fulton on 26 Apr 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Joshua Uffman on 13 Oct 2004
- House/Eurasian Tree Sparrow Passer domesticus/montanusLast observed by Kayla Komorek on 25 Apr 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by BILL STABLER on 13 Feb 2022
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Charlene Malone on 5 Nov 2012
- Western/Eastern Meadowlark Sturnella neglecta/magnaLast observed by Cornelius Alwood on 10 Apr 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by chris w on 22 Apr 2024