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Share your observations

Share your observations of plants or non-game animals with the Natural Heritage Inventory

Rare animals
Find rare and non-game animals.
Rare plants
Learn about plants on the Natural Heritage Working List.
Rare lichens
Discover Wisconsin's lichens.
Natural communities
Explore Wisconsin's natural communities.
Other features
Discover unique resources.
Eagle license plate

Help care for rare plants and animals by ordering an Endangered Resources plate.

Contact information
For information on Wisconsin's rare vertebrate animals, contact:
Rich Staffen
Conservation Biologist
For information on Wisconsin's rare invertebrates, contact:
Jay Watson
Conservation Biologist

Wisconsin's rare birds

Birds on Wisconsin's Natural Heritage Working List – last revised May 2016. Life history, where they are found in the state, photos and management information is available for many of these species. Please consider sharing your observations [exit DNR] with the Wisconsin Natural Heritage Inventory

Many bird avoidance dates have changed, we are in the process of making these consistent across all documents, but for the most recent dates please go to the bird calendar. The bird calendar contains required (Avoidance Period) and recommended (Conservation Period) dates for avoiding impacts to rare Wisconsin birds when planning management or development activities.

Click on the table headings to sort the table or sort taxonomically. Choose a species from the list to explore information for that animal. View the table key.
Scientific Name Common Name Global
WWAP Mapped in NHI
Empidonax virescens Acadian Flycatcher G5 S3B THR SGCN Y
Botaurus lentiginosus American Bittern G5 S2S3B SC/M SGCN Y
Anas rubripes American Black Duck G5 S2S3B SC/M SGCN Y
Anas americana American Wigeon G5 S3N r-SIN N
Scolopax minor American Woodcock G5 S3S4B SC/M SGCN Y
Vireo bellii Bell's Vireo G5 S2B THR SGCN Y
Chlidonias niger Black Tern G4G5 S2B SOC END SGCN Y
Picoides arcticus Black-backed Woodpecker G5 S1S3B SC/M SGCN Y
Nycticorax nycticorax Black-crowned Night-Heron G5 S2B SC/M SGCN Y
Himantopus mexicanus Black-necked Stilt G5 S1B SC/M SGCN Y
Dolichonyx oryzivorus Bobolink G5 S2S3B SC/M SGCN Y
Poecile hudsonicus Boreal Chickadee G5 S2S3B SC/M SGCN Y
Euphagus cyanocephalus Brewer's Blackbird G5 S2S3B SC/M SGCN Y
Toxostoma rufum Brown Thrasher G5 S4B m-SIN N
Perisoreus canadensis Canada Jay G5 S2S3 SC/M SGCN Y
Cardellina canadensis Canada Warbler G5 S3B m-SIN N
Hydroprogne caspia Caspian Tern G5 S1B,S2N END SGCN Y
Setophaga cerulea Cerulean Warbler G4 S2S3B SOC THR SGCN Y
Bucephala clangula Common Goldeneye G5 S2B,S5N SC/M SGCN Y
Gavia immer Common Loon G5 S3B m-SIN N
Chordeiles minor Common Nighthawk G5 S2S3B SC/M SGCN Y
Sterna hirundo Common Tern G5 S1B,S2N SOC END SGCN Y
Oporornis agilis Connecticut Warbler G4G5 S2B SC/M SGCN Y
Spiza americana Dickcissel G5 S3B SC/M SGCN Y
Sturnella magna Eastern Meadowlark G5 S2S3B SC/M SGCN Y
Antrostomus vociferus Eastern Whip-poor-will G5 S2B SC/M SGCN Y
Coccothraustes vespertinus Evening Grosbeak G5 S2B,S2N SC/M SGCN Y
Spizella pusilla Field Sparrow G5 S3B m-SIN N
Sterna forsteri Forster's Tern G5 S1B END SGCN Y
Vermivora chrysoptera Golden-winged Warbler G4 S3B SOC SC/M SGCN Y
Ammodramus savannarum Grasshopper Sparrow G5 S2S3B SC/M SGCN Y
Ardea alba Great Egret G5 S2B THR SGCN Y
Tympanuchus cupido Greater Prairie-Chicken G4 S1 THR SGCN Y
Centronyx henslowii Henslow's Sparrow G4 S2S3B SOC THR SGCN Y
Setophaga citrina Hooded Warbler G5 S2S3B THR SGCN Y
Geothlypis formosa Kentucky Warbler G5 S1S2B THR SGCN Y
Rallus elegans King Rail G4 S1B SC/M SGCN Y
Setophaga kirtlandii Kirtland's Warbler G3G4 S1B END SGCN Y
Chondestes grammacus Lark Sparrow G5 S2S3B SC/M SGCN Y
Ixobrychus exilis Least Bittern G5 S2S3B SC/M SGCN Y
Empidonax minimus Least Flycatcher G5 S3B SC/M SGCN Y
Ammospiza leconteii LeConte's Sparrow G5 S2S3B SC/M SGCN Y
Lanius ludovicianus Loggerhead Shrike G4 S1B SOC END SGCN Y
Asio otus Long-eared Owl G5 S2B SC/M SGCN Y
Parkesia motacilla Louisiana Waterthrush G5 S3B m-SIN N
Ammospiza nelsoni Nelson's Sparrow G5 S1B SC/M SGCN Y
Colinus virginianus Northern Bobwhite G4G5 S1B SC/M SGCN Y
Accipiter gentilis Northern Goshawk G5 S2B,S2N SOC SC/M SGCN Y
Circus hudsonius Northern Harrier G5 S3B,S2N m-SIN N
Anas acuta Northern Pintail G5 S3N r-SIN N
Contopus cooperi Olive-sided Flycatcher G4 S2B SC/M SGCN Y
Setophaga palmarum Palm Warbler G5 S3B m-SIN N
Falco peregrinus Peregrine Falcon G4 S1S2B END SGCN Y
Vireo philadelphicus Philadelphia Vireo G5 SUB,S2N r-SIN N
Charadrius melodus Piping Plover G3 S1B LE END SGCN Y
Protonotaria citrea Prothonotary Warbler G5 S2B SC/M SGCN Y
Progne subis Purple Martin G5 S2S3B SC/M SGCN Y
Loxia curvirostra Red Crossbill G5 SUB,S2N r-SIN N
Calidris canutus rufa Red Knot G4T2 S1N LT SC/FL SGCN N
Melanerpes erythrocephalus Red-headed Woodpecker G5 S3B SC/M SGCN Y
Podiceps grisegena Red-necked Grebe G5 S1B END SGCN Y
Buteo lineatus Red-shouldered Hawk G5 S3S4B,S1N THR SGCN Y
Regulus calendula Ruby-crowned Kinglet G5 S2S3B SC/M SGCN Y
Euphagus carolinus Rusty Blackbird G4 S2B,S2N SC/M SGCN Y
Tympanuchus phasianellus Sharp-tailed Grouse G5 S1 SC/H SGCN Y
Asio flammeus Short-eared Owl G5 S1B,S3N SC/M SGCN Y
Falcipennis canadensis Spruce Grouse G5 S1S2 THR SGCN Y
Catharus ustulatus Swainson's Thrush G5 S2B SC/M SGCN Y
Bartramia longicauda Upland Sandpiper G5 S2B THR SGCN Y
Pooecetes gramineus Vesper Sparrow G5 S2S3B SC/M SGCN Y
Sturnella neglecta Western Meadowlark G5 S2B SC/M SGCN Y
Loxia leucoptera White-winged Crossbill G5 SUB,S2N r-SIN N
Grus americana Whooping Crane G1 SXB NEP SC/FL SGCN N
Phalaropus tricolor Wilson's Phalarope G5 S1B SC/M SGCN Y
Cardellina pusilla Wilson's Warbler G5 SUB,S4N r-SIN N
Hylocichla mustelina Wood Thrush G4 S4B m-SIN N
Helmitheros vermivorum Worm-eating Warbler G5 S1B END SGCN Y
Coturnicops noveboracensis Yellow Rail G4 S1B THR SGCN Y
Coccyzus americanus Yellow-billed Cuckoo G5 S3B m-SIN N
Icteria virens Yellow-breasted Chat G5 S2B SC/M SGCN Y
Nyctanassa violacea Yellow-crowned Night-Heron G5 S1B THR SGCN Y
Xanthocephalus xanthocephalus Yellow-headed Blackbird G5 S1S2B SC/M SGCN Y
Setophaga dominica Yellow-throated Warbler G5 S1B END SGCN Y

Rank and status: To learn more about species rank and status, see the working list key. WWAP: (Wisconsin Wildlife Action Plan): SGCN (Species of Greatest Conservation Need) and monitoring and ranking SIN (Species with Information Needs). Mapped in NHI: (Natural Heritage Inventory): Y = Observations of these species are mapped into the NHI database.

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Last revised: Thursday, October 08, 2020