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T. S. Roberts Bird Sanctuary
Illustrated Checklist
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Native and Naturalized (208)
Hybrids (4)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Mike Moser on 18 May 2023
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Aaron Oppelt on 12 May 2022
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Tony Lau on 13 May 2014
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Cliff Zawasky on 12 May 2022
Additional Taxa (45)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Beth Potter on 9 May 2023
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Mark Vanden heuvel on 6 May 2023
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Bird Aficionado on 22 Jul 2021
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Michael Harvey on 10 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Olivia Sanderfoot on 29 Jul 2023
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Jeremy Cushman on 21 May 2021
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Liz L on 15 Apr 2024
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Peter Wilton on 2 May 2021
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Joanne Wunsch on 10 May 2018
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Stephen Rice on 23 Sep 2023