Review List

Revised November 2024

The following Review List contains species that are considered rare or accidental in Pennsylvania. The Records Committee requests details including full descriptions, photographs, video, or sound recordings for review and possible inclusion on the state’s Official List.

The Pennsylvania Ornithological Records Committee will review reports of:

1. Species not included in the current checklist
2. Species listed below
3. Rarely-documented subspecies
   • Ex. Audubon’s Warbler (Dendroica coronata auduboni) or Oregon Dark-eyed Junco (Junco hyemalis [oreganus Group])

Review List A: Rarities

Review List B: Extirpated species

Recognizable forms and subspecies

Formerly on review list

Review List A
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• Black-bellied Whistling-Duck (Dendrocygna autumnalis) Casual. 4
• Tundra Bean-Goose (Anser serrirostris) Accidental. 5
• Pink-footed Goose (Anser brachyrhynchus) Casual. 4
• Barnacle Goose (Branta leucopsis) Casual. 4
• Common Shelduck (Tadorna tadorna) Accidental. 5
• Cinnamon Teal (Spatula cyanoptera) Accidental. 5
• Mottled Duck (Anas fulvigula) Accidental. 5
• Tufted Duck (Aythya fuligula) Accidental. 5
• King Eider (Somateria spectabilis) Casual. 4
• Common Eider (Somateria mollissima) Accidental. 5
• Harlequin Duck (Histrionicus histrionicus) Casual. 4
• Barrow’s Goldeneye (Bucephala islandica) Casual. 4
• Masked Duck (Nomonyx dominicus) Accidental. 5
• Northern Bobwhite (Colinus virginianus) Extirpated. 6
• American Flamingo (Phoenicopterus ruber) Accidental. 5
• Western Grebe (Aechmophorus occidentalis) Accidental. 5
• Common Ground Dove (Columbina passerina) Accidental. 5
• White-winged Dove (Zenaida asiatica) Casual. 4
• Chuck-will’s-widow (Antrostomus carolinensis) Casual. 4
• Black-chinned Hummingbird (Archilochus alexandri) Accidental. 5
• Bahama Woodstar (Nesophlox evelynae) Accidental. 5
• Anna’s Hummingbird (Calypte anna) Accidental. 5
• Calliope Hummingbird (Selasphorus calliope) Accidental. 5
• Allen’s Hummingbird (Selasphorus sasin) Accidental. 5
• Broad-billed Hummingbird (Cynanthus latirostris) Accidental. 5
• Spotted Rail (Pardirallus maculatus) Accidental. 5
• Clapper Rail (Rallus crepitans) Casual. 4
• Corn Crake (Crex crex) Accidental. 5
• Purple Gallinule (Porphyrio martinicus) Casual. 4
• Yellow Rail (Coturnicops noveboracensis) Casual. 4
• Black Rail (Laterallus jamaicensis) Casual. 4
• Limpkin (Aramus guarauna) Accidental. 5
• Black-necked Stilt (Himantopus mexicanus) Casual. 4
• American Oystercatcher (Haematopus palliatus) Casual. 4
• Pacific Golden-Plover (Pluvialis fulva) Accidental. 5
• Wilson’s Plover (Anarhynchus wilsonia) Accidental. 5
• Snowy Plover (Anarhynchu nivosus) Accidental. 5
• Long-billed Curlew (Numenius americanus) Accidental. 5
• Ruff (Calidris pugnax) Casual. 4
• Curlew Sandpiper (Calidris ferruginea) Accidental. 5
• Red Phalarope (Phalaropus fulicarius) Casual. 4
• Pomarine Jaeger (Stercorarius pomarinus) Casual. 4
• Long-tailed Jaeger (Stercorarius longicaudus) Casual. 4
• Dovekie (Alle alle) Accidental. 5
• Thick-billed Murre (Uria lomvia) Accidental. 5
• Black Guillemot (Cepphus grylle) Accidental. 5
• Long-billed Murrelet (Brachyramphus perdix) Accidental. 5
• Ancient Murrelet (Synthliboramphus antiquus) Accidental. 5
• Black-legged Kittiwake (Rissa tridactyla) Casual. 4
• Sabine’s Gull (Xema sabini) Casual. 4
• Black-headed Gull (Chroicocephalus ridibundus) Casual. 4
• Ross’s Gull (Rhodostethia rosea) Accidental. 5
• Franklin’s Gull (Leucophaeus pipixcan) Regular. 4
• Common Gull (Larus canus) Accidental. 5
• California Gull (Larus californicus) Casual. 4
• Slaty-backed Gull (Larus schistisagus) Accidental. 5
• Glaucous-winged Gull (Larus glaucescens) Accidental. 5
• Kelp Gull (Larus dominicanus) Accidental. 5
• Sooty Tern (Onychoprion fuscatus) Casual. 4
• Gull-billed Tern (Gelochelidon nilotica) Casual. 4
• White-winged Tern (Chlidonias leucopterus) Accidental. 5
• Roseate Tern (Sterna dougallii) Accidental. 5
• Arctic Tern (Sterna paradisaea) Casual. 4
• Royal Tern (Thalasseus maximus) Casual. 4
• Black Skimmer (Rynchops niger) Casual. 4
• White-tailed Tropicbird (Phaethon lepturus) Accidental. 5
• Pacific Loon (Gavia pacifica) Casual. 4
• Yellow-billed Loon (Gavia adamsii) Accidental. 5
• Leach’s Storm-Petrel (Hydrobates leucorhous) Accidental. 5
• Band-rumped Storm-Petrel (Hydrobates castro) Accidental. 5
• Trindade Petrel (Pterodroma arminjoniana) Accidental. 5
• Black-capped Petrel (Pterodroma hasitata) Accidental. 5
• Cory’s Shearwater (Calonectris diomedea) Accidental. 5
• Great Shearwater (Ardenna gravis) Accidental. 5
• Wood Stork (Mycteria americana) Casual. 4
• Magnificent Frigatebird (Fregata magnificens) Accidental. 5
• Brown Booby (Sula leucogaster) Casual. 4
• Northern Gannet (Morus bassanus) Accidental. 5
• Anhinga (Anhinga anhinga) Accidental. 4
• Neotropic Cormorant (Nannopterum brasilianum) Accidental. 5
• Brown Pelican (Pelecanus occidentalis) Casual. 4
• Tricolored Heron (Egretta tricolor) Casual. 4
• White Ibis (Eudocimus albus) Regular. 4
• White-faced Ibis (Plegadis chihi) Casual. 4
• Roseate Spoonbill (Platalea ajaja) Accidental. 5
• Swallow-tailed Kite (Elanoides forficatus) Casual. 4
• Snail Kite (Rostrhamus sociabilis) Accidental. 5
• Swainson’s Hawk (Buteo swainsoni) Casual. 4
• Ferruginous Hawk (Buteo regalis) Accidental. 5
• Northern Hawk Owl (Surnia ulula) Accidental. 5
• Great Gray Owl (Strix nebulosa) Accidental. 5
• Boreal Owl (Aegolius funereus) Accidental. 5
• Black-backed Woodpecker (Picoides arcticus) Accidental. 5
• Crested Caracara (Caracara plancus) Accidental. 5
• Gyrfalcon (Falco rusticolus) Casual. 4
• Prairie Falcon (Falco mexicanus) Accidental. 5
• Ash-throated Flycatcher (Myiarchus cinerascens) Casual. 4
• Tropical Kingbird (Tyrannus melancholicus) Accidental. 5
• Western Kingbird (Tyrannus verticalis) Casual. 4
• Gray Kingbird (Tyrannus dominicensis) Accidental. 5
• Scissor-tailed Flycatcher (Tyrannus forficatus) Casual. 4
• Fork-tailed Flycatcher (Tyrannus savana) Accidental. 5
• Hammond’s Flycatcher (Empidonax hammondii) Accidental. 5
• Gray Flycatcher (Empidonax wrightii) Accidental. 5
• Western Flycatcher (Empidonax difficilis) Accidental. 5
• Say’s Phoebe (Sayornis saya) Casual. 4
• Vermilion Flycatcher (Pyrocephalus rubinus) Accidental. 5
• Loggerhead Shrike (Lanius ludovicianus) Casual. 4
• Boreal Chickadee (Poecile hudsonicus) Accidental. 5
• Cave Swallow (Petrochelidon fulva) Casual. 4
• Bohemian Waxwing (Bombycilla garrulus) Casual. 4
• Brown-headed Nuthatch (Sitta pusilla) Accidental. 5
• Rock Wren (Salpinctes obsoletus) Accidental. 5
• Mountain Bluebird (Sialia currucoides) Accidental. 5
• Townsend’s Solitaire (Myadestes townsendi) Casual. 4
• Bicknell’s Thrush (Catharus bicknelli) Accidental. 5
• Redwing (Turdus iliacus) Accidental. 5
• Varied Thrush (Ixoreus naevius) Casual. 4
• European Robin (Erithacus rubecula) Accidental. 5
• Northern Wheatear (Oenanthe oenanthe) Casual. 4
• Brambling (Fringilla montifringilla) Accidental. 5
• Gray-crowned Rosy-Finch (Leucosticte tephrocotis) Accidental. 5
• Lesser Goldfinch (Spinus psaltria) Accidental. 5
• Lark Sparrow (Chondestes grammacus) Casual. 4
• Lark Bunting (Calamospiza melanocorys) Accidental. 5
• Brewer’s Sparrow (Spizella breweri) Accidental. 5
• Golden-crowned Sparrow (Zonotrichia atricapilla) Accidental. 5
• Harris’s Sparrow (Zonotrichia querula) Casual. 4
• LeConte’s Sparrow (Ammospiza leconteii) Casual. 4
• Seaside Sparrow (Ammospiza maritima) Accidental. 5
• Saltmarsh Sparrow (Ammospiza caudacuta) Accidental. 5
• Green-tailed Towhee (Pipilo chlorurus) Accidental. 5
• Spotted Towhee (Pipilo maculatus) Accidental. 5
• Western Meadowlark (Sturnella neglecta) Accidental. 5
• Bullock’s Oriole (Icterus bullockii) Casual. 4
• Black-backed Oriole (Icterus abeillei) Accidental. 5
• Scott’s Oriole (Icterus parisorum) Accidental. 5
• Shiny Cowbird (Molothrus bonariensis) Accidental. 5
• Brewer’s Blackbird (Euphagus cyanocephalus) Casual. 4
• Swainson’s Warbler (Limnothlypis swainsonii) Casual. 3
• MacGillivray’s Warbler (Geothlypis tolmiei) Accidental. 5
• Kirtland’s Warbler (Setophaga kirtlandii) Casual. 4
• Black-throated Gray Warbler (Setophaga nigrescens) Casual. 4
• Townsend’s Warbler (Setophaga townsendi) Accidental. 5
• Hermit Warbler (Setophaga occidentalis) Accidental. 5
• Western Tanager (Piranga ludoviciana) Casual. 4
• Black-headed Grosbeak (Pheucticus melanocephalus) Casual. 4
• Lazuli Bunting (Passerina amoena) Accidental. 5
• Varied Bunting (Passerina versicolor) Accidental. 5
• Painted Bunting (Passerina ciris) Casual. 4

Review List B – Extirpated Species
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• Greater Prairie-Chicken (Tympanuchus cupido) Extirpated. 6
• Eskimo Curlew (Numenius borealis) Probably Extinct. 6
• Bewick’s Wren (Thryomanes bewickii) Extirpated. 6
• Bachman’s Sparrow (Peucaea aestivalis) Extirpated. 6
• Passenger Pigeon (Ectopistes migratorius) Extinct. 6
• Carolina Parakeet (Conuropsis carolinensis) Extinct. 5

Recognizable forms and subspecies
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(Black) Brant (Branta bernicla nigricans)
Green-winged (Common) Teal (Anas crecca crecca)
Yellow-rumped (Audubon’s) Warbler (Dendroica coronata auduboni)
White-crowned (Gambel’s) Sparrow (Zonotrichia leucophrus gambelii)
Dark-eyed Junco other than slate-colored subspecies (Oregon, Cassiar, White-winged)

Species formerly on Review List

• Least Tern (Sternula antillarum) Casual. 4
• Rufous Hummingbird (Selasphorus rufus) Regular. 3
• King Rail (Rallus elegans) Casual. 3
• Mississippi Kite (Ictinia mississippiensis) Regular. 3
• Summer Tanager* (Piranga rubra) Regular. 3
• American White Pelican* (Pelecanus erythrorhynchos) Regular. 3
• Eared Grebe (Podiceps nigricollis) Regular. 3
• Piping Plover (Charadrius melodus) Regular. 3
• Purple Sandpiper (Calidris maritima) Regular. 3
• Parasitic Jaeger (Stercorarius parasiticus) Regular. 3
• Little Gull (Hydrocoloeus minutus) Regular. 3
• Western Cattle- Egret (Ardea ibis) Regular. 3
• Yellow-headed Blackbird (Xanthocephalus xanthocephalus) Casual. 3

Provisional State List

• Common Eider (Somateria mollissima) Accidental. 5
• Band-tailed Pigeon (Patagioenas fasciata) Accidental. 5
• Black-tailed Godwit (Limosa limosa) Accidental. 5
• Surfbird (Calidris virgata) Accidental. 5
• Sandwich Tern (Thalasseus sandvicensis) Accidental. 5
• Northern Fulmar (Fulmarus glacialis) Accidental. 5
• Wilson’s Storm-Petrel (Oceanites oceanicus) Accidental. 5
• Lewis’s Woodpecker (Melanerpes lewis) Accidental. 5
• Violet-green Swallow (Tachycineta thalassina) Accidental. 5
• Common Swift (Apus apus) Accidental. 5