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Hillsborough
Illustrated Checklist
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Native and Naturalized (293)
Exotic: Escapee (10)
Hybrids (7)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Kristos Said Kendall on 23 Apr 2024
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by James Smith on 15 Jan 2024
- Red-shouldered x Red-tailed Hawk (hybrid) Buteo lineatus x jamaicensisLast observed by Susan Wrisley on 15 Dec 2022
- Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmusLast observed by Levi Burford on 20 Feb 2020
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Sophia Wong on 10 May 2022
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Ben Reed on 13 May 2022
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Christine Sheridan on 17 Jun 2009
Additional Taxa (72)
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Christine Sheridan on 27 Feb 2018
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Pedro Fernandes on 21 Dec 2023
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Nora E Hanke on 17 Nov 2021
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Sandra Johnson on 16 Aug 2020
- Rufous/Allen's Hummingbird Selasphorus rufus/sasinLast observed by NH Bird Records Data on 29 Oct 2011
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Don Stokes on 15 Sep 2015
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Steven Lamonde on 16 Apr 2024
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Katrina Fenton on 6 Nov 2016
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Nora E Hanke on 11 Sep 2023
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by robin schulman on 5 Jul 2020
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Phil Brown on 14 May 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Sam / Damaris Stoddard on 24 Feb 2018
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaLast observed by eric masterson on 19 Oct 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Peter Eppig on 16 Jun 2023
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Peter Newbern on 14 May 2023