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Derby Hill Hawk Watch--North Lookout
Illustrated Checklist
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Native and Naturalized (291)
Hybrids (5)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Steve Kolbe on 15 Apr 2013
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Bill Purcell on 13 Dec 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Bill Purcell on 1 Dec 2003
- Red-shouldered x Red-tailed Hawk (hybrid) Buteo lineatus x jamaicensisLast observed by David Wheeler on 14 Mar 2024
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Wayne Fidler on 19 May 2016
Additional Taxa (68)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Matthew Brown on 5 Nov 2023
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Matthew Brown on 7 Nov 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by David Wheeler on 19 Oct 2021
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Kennedy Sullivan on 28 Oct 2023
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Bill Purcell on 6 Sep 2014
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by David Wheeler on 1 Nov 2019
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by David Wheeler on 14 Nov 2014
- Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostrisLast observed by Ken Burdick on 7 Nov 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by David Wheeler on 9 Apr 2024
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by Bill and Estelle Siener on 6 May 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Bill Purcell on 25 May 2019
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Rob Worona on 25 Apr 1993
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Mary Magistro on 12 May 2016