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Monmouth
Illustrated Checklist
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Native and Naturalized (398)
Exotic: Escapee (14)
Hybrids (11)
- Snow Goose x Brant (hybrid) Anser caerulescens x Branta berniclaLast observed by Tom Smith on 28 Feb 2009
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Kevin Napalo on 24 Feb 2024
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Dan O'Brien on 28 Dec 2023
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Sam Skinner on 9 Apr 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Tom Boyle on 2 Jan 2021
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Keith Leonard on 9 Jan 2022
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Keith Leonard on 7 Jan 2024
- Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillusLast observed by Dena Temple on 28 May 2007
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Scott Barnes on 27 Sep 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Colette Buchanan on 7 Sep 2020
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Colette Buchanan on 2 Sep 2016
Additional Taxa (125)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Emma Price on 19 Apr 2024
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by richard moran on 3 May 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Melody Ragle on 13 Oct 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Matthew Masterson on 1 Jan 2024
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Rob Fanning on 11 Apr 2024
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Jeff Ellerbusch on 17 Dec 2023
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Keith Leonard on 7 Jan 2024
- black-and-white shearwater sp. Puffinus sp. (black-and-white shearwater sp.)Last observed by Andrew Farnsworth on 29 Aug 2017
- Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritumLast observed by Alan Boyd on 26 Mar 2024
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Alan Boyd on 18 Jul 2018
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Jeff Ellerbusch on 13 Nov 2021
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Colette Buchanan on 22 Sep 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Daniel Markowicz on 27 Sep 2023
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by richard moran on 3 May 2024
- chickadee sp. Poecile sp.Last observed by R. Dale Twining (1921-2014) Birding Records Project Data on 22 Oct 1994
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Neal Fitzsimmons on 25 Apr 2024
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Jeff Ellerbusch on 13 Oct 2023
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacutaLast observed by Scott Barnes on 30 Oct 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Dave DeSarno on 1 May 2024
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Brian Schiefer on 2 Oct 2023