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The Bluff
Illustrated Checklist
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Native and Naturalized (250)
Hybrids (5)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Brandon Holden on 18 Nov 2020
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Kenneth G.D. Burrell on 2 Nov 2020
- Red-shouldered x Red-tailed Hawk (hybrid) Buteo lineatus x jamaicensisLast observed by Ethan Gosnell on 26 Oct 2019
- Red-tailed x Rough-legged Hawk (hybrid) Buteo jamaicensis x lagopusLast observed by Brandon Holden on 26 Oct 2018
- Chipping x Clay-colored Sparrow (hybrid) Spizella passerina x pallidaLast observed by Brandon Holden on 19 May 2019
Additional Taxa (51)
- Trumpeter/Tundra Swan Cygnus buccinator/columbianusLast observed by Quinten Wiegersma on 9 Apr 2023
- Surf/Black Scoter Melanitta perspicillata/americanaLast observed by Quinten Wiegersma on 15 Oct 2023
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Margaret Hough on 26 Oct 2022
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Quinten Wiegersma on 28 Apr 2023
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Quinten Wiegersma on 8 Oct 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Nathan Hood on 3 Oct 2020
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Kenneth G.D. Burrell on 20 May 2020
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Brandon Holden on 9 Oct 2020
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Brandon Holden on 9 Sep 2020
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Quinten Wiegersma on 15 Oct 2023
- Bohemian/Cedar Waxwing Bombycilla garrulus/cedrorumLast observed by Kenneth G.D. Burrell on 22 Nov 2018
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Brandon Holden on 21 Apr 2023