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Lake Hefner
Illustrated Checklist
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Native and Naturalized (263)
Exotic: Escapee (4)
Hybrids (3)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Megan Migues on 19 Jan 2024
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Bill Carrell on 29 Jan 2023
Additional Taxa (55)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Steve Stone on 10 Jan 2024
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Braden Farris on 22 May 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Brian Marra on 5 Oct 2023
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Joe Grzybowski on 11 Jan 2014
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Calvin Rees on 11 Mar 2024
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Steve Davis on 3 Oct 2022
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Michael McCoy on 8 Oct 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Braden Farris on 12 Aug 2023
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Brian Marra on 24 Nov 2019