Bucks

Map

Illustrated Checklist

Updated ~21 hours ago

354 Species Observed

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Species w/ Audio

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Graylag x Swan Goose (hybrid) Anser anser x cygnoides

Last observed by Mark Gallagher on 13 Feb 2021
Barnacle x Cackling Goose (hybrid) Branta leucopsis x hutchinsii

Last observed by August Mirabella on 29 Nov 2023
Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis

Last observed by Linda Hamp on 18 Mar 2022
Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis

Last observed by Vicky and Richard Smith on 6 Jan 2023
Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis

Last observed by Scott Fraser on 18 Mar 2023
Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis

Last observed by Barbara Bennett on 22 Jan 2024
Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensis

Last observed by Andreas Krohn on 20 Jan 2024
Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensis

Last observed by Seth Ausubel on 15 Jan 2020
Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchos

Last observed by Joel Marcinik on 14 Nov 2021
Wood Duck x Mallard (hybrid) Aix sponsa x Anas platyrhynchos

Last observed by August Mirabella on 11 Oct 2008
Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes

Last observed by Andreas Krohn on 9 Mar 2024
Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinus

Last observed by Tom Johnson on 17 Dec 2022
Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus

Last observed by Eric Zawatski on 12 Feb 2024
Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscus

Last observed by Andrew Harrington on 8 Jan 2024
Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillus

Last observed by Bill Etter on 6 Mar 2009
Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollis

Last observed by August Mirabella on 23 Nov 2013
Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)

Last observed by Paul Heveran on 7 Sep 2023
Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)

Last observed by nickie goldstein on 15 Sep 2022

Snow/Ross's Goose Anser caerulescens/rossii

Last observed by Will Stollsteimer on 15 Jan 2024
Domestic goose sp. (Domestic type) Anser sp. (Domestic type)

Last observed by James Cooper on 23 Apr 2024
Cackling/Canada Goose Branta hutchinsii/canadensis

Last observed by Vicky and Richard Smith on 27 Feb 2024
Branta sp. Branta sp.

Last observed by Scott Fraser on 9 Dec 2023
Trumpeter/Tundra Swan Cygnus buccinator/columbianus

Last observed by D Denner on 12 Nov 2022
swan sp. Cygnus sp.

Last observed by Barbara Bennett on 1 Apr 2023
goose sp. Anatidae (goose sp.)

Last observed by Susan Harrison on 6 Jan 2024
Mallard/American Black Duck Anas platyrhynchos/rubripes

Last observed by Christopher Plummer on 21 Mar 2024
teal sp. Anatidae sp. (teal sp.)

Last observed by August Mirabella on 13 Oct 2023
dabbling duck sp. Anatidae sp. (dabbling duck sp.)

Last observed by Karin Isett on 29 Mar 2024
Greater/Lesser Scaup Aythya marila/affinis

Last observed by Kenneth Rieker on 22 Apr 2024
Aythya sp. Aythya sp.

Last observed by Ron Wagner on 23 Jan 2024
Surf/Black Scoter Melanitta perspicillata/americana

Last observed by Bill Etter on 3 Nov 2011
scoter sp. Melanitta sp.

Last observed by John Finch on 19 Apr 2020
Common/Barrow's Goldeneye Bucephala clangula/islandica

Last observed by Brian Henderson on 22 Feb 2019
Common/Red-breasted Merganser Mergus merganser/serrator

Last observed by Cody Peters on 12 Apr 2024
merganser sp. Mergellus/Lophodytes/Mergus sp.

Last observed by August Mirabella on 8 Apr 2019
duck sp. Anatidae (duck sp.)

Last observed by Shaun Hicks on 23 Apr 2024
waterfowl sp. Anatidae sp.

Last observed by Gretchen Brown on 4 Mar 2024
Horned/Eared Grebe Podiceps auritus/nigricollis

Last observed by Paul Cooper on 27 Mar 2017
grebe sp. Podicipedidae sp.

Last observed by Lorelei Robbins on 2 Nov 2019
Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus

Last observed by Lesley Weissman-Cook on 10 Jul 2023
Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandri

Last observed by Esteban Daniels on 4 Apr 2013
Rufous/Allen's Hummingbird Selasphorus rufus/sasin

Last observed by August Mirabella on 22 Aug 1994
Selasphorus sp. Selasphorus sp.

Last observed by Henry D'Alessandro on 17 Sep 2014
hummingbird sp. Trochilidae sp.

Last observed by Will Stollsteimer on 22 Nov 2023
rail/crake sp. Rallidae sp. (rail/crake sp.)

Last observed by Matthew Danihel on 19 Oct 2022
Black-bellied Plover/golden-plover sp. Pluvialis sp.

Last observed by August Mirabella on 30 Aug 2013
Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca

Last observed by Joel Marcinik on 27 Apr 2024
Western/Semipalmated Sandpiper Calidris mauri/pusilla

Last observed by Rich Dulay on 20 May 2020
peep sp. Calidris sp. (peep sp.)

Last observed by Vicky and Richard Smith on 1 Sep 2023
Calidris sp. Calidris sp.

Last observed by Paul Cooper on 27 Aug 2016
large shorebird sp. Scolopacidae sp. (large shorebird sp.)

Last observed by August Mirabella on 12 Jul 1980
shorebird sp. Charadriiformes sp.

Last observed by Vinobha Pannerselvam on 13 Nov 2023
jaeger sp. Stercorarius sp. (jaeger sp.)

Last observed by matthew sabatine on 29 Oct 2012
alcid sp. Alcidae sp.

Last observed by Devich Farbotnik on 21 Nov 2023
Common/Short-billed Gull Larus canus/brachyrhynchus

Last observed by PORC Data on 18 Dec 1993
Herring/Lesser Black-backed Gull Larus argentatus/fuscus

Last observed by August Mirabella on 23 Aug 2019
white-winged gull sp. Larus sp. (white-winged gull sp.)

Last observed by Jaime Thomas on 20 Mar 2024
Larus sp. Larus sp.

Last observed by Cole DiFabio on 7 Dec 2023
gull sp. Larinae sp.

Last observed by Mark Gallagher on 25 Apr 2024
Common/Arctic Tern Sterna hirundo/paradisaea

Last observed by Edward Dolan on 13 May 2022
Sterna sp. Sterna sp.

Last observed by Scott Godshall on 13 May 2022
tern sp. Sterninae sp.

Last observed by D Denner on 22 Aug 2022
gull/tern sp. Laridae sp.

Last observed by Paul Heveran on 17 Oct 2019
loon sp. Gavia sp.

Last observed by Vicky Mahmoud on 5 Feb 2024
storm-petrel sp. (white-rumped) Oceanitidae/Hydrobatidae sp. (white-rumped)

Last observed by Bill Etter on 30 Oct 2012
storm-petrel sp. Oceanitidae/Hydrobatidae sp.

Last observed by Kenneth Rieker on 30 Oct 2012
Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritum

Last observed by D Denner on 27 Jan 2024
cormorant sp. Phalacrocoracidae sp.

Last observed by Mark Gallagher on 27 Mar 2021
Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea

Last observed by Vicky and Richard Smith on 18 Jul 2016
heron sp. Ardeidae sp.

Last observed by Mike Grubb on 24 May 2023
white egret sp. Egretta/Bubulcus/Ardea sp.

Last observed by Alexa Rhoads on 18 Apr 2024
Glossy/White-faced Ibis Plegadis falcinellus/chihi

Last observed by PORC Data on 27 Sep 2006
new world vulture sp. Cathartidae sp.

Last observed by Barbara Bennett on 1 Apr 2024
Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii

Last observed by Elizabeth Brown on 23 Apr 2024
Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillus

Last observed by Matthew Danihel on 19 Dec 2020
Accipiter sp. Accipiter sp.

Last observed by Gavin Laboski on 26 Apr 2024
Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus

Last observed by Devich Farbotnik on 8 Nov 2022
Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterus

Last observed by Paul R. Cooper on 17 Apr 2024
Buteo sp. Buteo sp.

Last observed by Cody Peters on 22 Apr 2024
hawk sp. Accipitridae sp. (hawk sp.)

Last observed by Barbara Bennett on 24 Apr 2024
eagle sp. Accipitridae sp. (eagle sp.)

Last observed by August Mirabella on 30 Oct 2021
owl sp. Strigiformes sp.

Last observed by Risa Alfieri on 8 Apr 2023
Downy/Hairy Woodpecker Dryobates pubescens/villosus

Last observed by John Heilferty on 10 Apr 2024
woodpecker sp. Picidae sp.

Last observed by James Cooper on 25 Apr 2024
small falcon sp. Falco sp. (small falcon sp.)

Last observed by Scott Fraser on 25 Apr 2024
falcon sp. Falco sp.

Last observed by Anne Wake on 6 May 2023
diurnal raptor sp. Accipitriformes/Falconiformes sp.

Last observed by Will Stollsteimer on 11 May 2023
parakeet sp. Psittaciformes sp. (parakeet sp.)

Last observed by Rich Dulay on 12 Sep 2022
Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii

Last observed by Joe Yuhas on 24 Sep 2023
Empidonax sp. Empidonax sp.

Last observed by Joe Yuhas on 24 Sep 2023
new world flycatcher sp. Tyrannidae sp.

Last observed by Vicky and Richard Smith on 27 Sep 2023
Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus

Last observed by Andrew Harrington on 17 Sep 2023
vireo sp. Vireo sp.

Last observed by James Court on 24 Sep 2022
American/Fish Crow Corvus brachyrhynchos/ossifragus

Last observed by Kurt Schwarz on 4 Apr 2023
crow sp. Corvus sp. (crow sp.)

Last observed by Joel Marcinik on 27 Apr 2024
crow/raven sp. Corvus sp.

Last observed by Diane Smith on 7 Jan 2024
Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus

Last observed by GEORGE VARKOLY on 27 Apr 2024
chickadee sp. Poecile sp.

Last observed by William Keim on 3 Feb 2024
swallow sp. Hirundinidae sp.

Last observed by GEORGE VARKOLY on 27 Apr 2024
Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa

Last observed by Gail Johnson on 18 Dec 2019
nuthatch sp. Sitta sp.

Last observed by Moira Stephens on 9 Feb 2024
Sedge/Marsh Wren Cistothorus stellaris/palustris

Last observed by August Mirabella on 17 Oct 2017
wren sp. Troglodytidae sp.

Last observed by GEORGE VARKOLY on 31 Mar 2024
Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli

Last observed by August Mirabella on 21 May 2006
Catharus sp. Catharus sp.

Last observed by Cody Peters NFC Station on 31 Oct 2023
thrush sp. Turdidae sp.

Last observed by Scott Fraser on 27 Nov 2023
House/Purple Finch Haemorhous mexicanus/purpureus

Last observed by Carol Krause on 20 Mar 2024
finch sp. Fringillidae sp.

Last observed by Bill Etter on 13 Sep 2022
Spizella sp. Spizella sp.

Last observed by Thomas Ford-Hutchinson on 10 Oct 2017
Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.

Last observed by Greg Ness on 17 Feb 2024
White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollis

Last observed by Sharon Marcinik on 13 Apr 2024
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta

Last observed by Thomas Ford-Hutchinson on 5 Oct 2017
new world sparrow sp. Passerellidae sp.

Last observed by Cody Peters NFC Station on 10 Apr 2024
new world oriole sp. Icterus sp.

Last observed by Kerry Loux on 20 May 2021
blackbird sp. Icteridae sp.

Last observed by Kevin Gong on 26 Apr 2024
Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis

Last observed by Andrew Harrington on 7 Aug 2023
Bay-breasted/Blackpoll Warbler Setophaga castanea/striata

Last observed by Will Krohn on 5 Oct 2023
new world warbler sp. Parulidae sp.

Last observed by Andrew Harrington on 22 Apr 2024
passerine sp. Passeriformes sp.

Last observed by Maricatherine Garr on 29 Mar 2024
bird sp. Aves sp.

Last observed by Katherine Figueroa on 30 Mar 2024

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Illustrated Checklist

Native and Naturalized (354)

Exotic: Escapee (21)

Hybrids (18)

Additional Taxa (102)