Change Region
Change Region
Fairfax
Illustrated Checklist
Powered by Macaulay Library and eBirdUpdated ~18 hours ago
Jump to species
View all media
Native and Naturalized (333)
Exotic: Escapee (20)
Hybrids (10)
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Sherman Suter on 21 Oct 2000
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Alec Welling on 2 Jul 2024
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by bound 4 billings on 1 Apr 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Kurt Gaskill on 31 Dec 2022
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Adrin A. on 19 Jun 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Sean Corker on 15 Mar 2023
- Barn x Cliff Swallow (hybrid) Hirundo rustica x Petrochelidon pyrrhonotaLast observed by Paul and Joan Woodward on 8 May 2022
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Will Brooks on 25 Aug 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Douglas White on 23 Sep 2022
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Sherman Suter on 24 Apr 2023
Additional Taxa (91)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Mike Bishop on 16 May 2024
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Steve Bielamowicz on 19 Jan 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Sandra Farkas on 14 Oct 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Margaret Poethig on 22 Sep 2023
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Steve Bielamowicz on 27 Jul 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Robert Mocko on 8 Oct 2023
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by James Lastowka on 24 Jun 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by stephen johnson š¦ on 14 Oct 2023
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Scott Baron on 5 Oct 2019
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Amiel Hopkins on 25 Mar 2018
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Eric Anderson on 5 May 2024
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Ethan Green on 7 May 2024