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Species at Risk in Ontario (SARO) List

What is at risk in my area?

Note: updated September 11, 2009.

This list is a summary of Species at Risk in Ontario.

For the complete Species at Risk in Ontario List regulation (O. Reg. 230/08) please consult e-Laws.

Instructions

Click a column heading to sort the list. Click again to reverse the list (ascending or descending order).

Click a name to get more information about a species (opens in a new browser window).

View glossary.

Taxonomy	Common Name	Scientific Name	OMNR Status	Range Map
Fish	Lake Sturgeon (Northwestern Ontario population)	Acipenser fulvescens	THR	range
Fish	Lake Sturgeon (Southern Hudson Bay/James Bay population)	Acipenser fulvescens	SC	range
Fish	Lake Sturgeon (Upper Great Lakes/St. Lawrence population)	Acipenser fulvescens	THR	range
Amphibians	Northern Cricket Frog	Acris crepitans	END	range
Plants	Gattinger’s Agalinis	Agalinis gattingeri	END	range
Plants	Skinner’s Agalinis	Agalinis skinneriana	END	range
Plants	Colicroot	Aletris farinosa	THR	range
Amphibians	Jefferson Salamander [PDF fact sheet]	Ambystoma jeffersonianum	THR	range
Amphibians	Small-mouthed Salamander	Ambystoma texanum	END	range
Amphibians	Eastern Tiger Salamander	Ambystoma tigrinum	EXP	range
Plants	Scarlet Ammannia	Ammannia robusta	END	range
Fish	Eastern Sand Darter	Ammocrypta pellucida	THR	range
Birds	Henslow’s Sparrow	Ammodramus henslowii	END	range
Amphibians	Fowler’s Toad	Anaxyrus fowleri	THR	range
Fish	American Eel	Anguilla rostrata	END	range
Reptiles	Spiny Softshell	Apalone spinifera	THR	range
Birds	Golden Eagle	Aquila chrysaetos	END	range
Plants	Green Dragon	Arisaema dracontium	SC	range
Plants	Forked Three-awned Grass	Aristida basiramea	END	range
Plants	Tuberous Indian-plantain	Arnoglossum plantagineum	SC	range
Birds	Short-eared Owl	Asio flammeus	SC	range
Plants	Hart’s-tongue Fern	Asplenium scolopendrium americanum	SC	range
Plants	Branched Bartonia	Bartonia paniculata	THR	range
Plants	Cherry Birch	Betula lenta	END	range
Mosses	Spoon-leaved Moss	Bryoandersonia illecebra	END	range
Plants	Bluehearts	Buchnera americana	END	range
Birds	Red Knot rufa subspecies	Calidris canutus rufa	END	range
Insects	Frosted Elfin	Callophrys irus	EXP	range
Plants	Wild Hyacinth	Camassia scilloides	THR	range
Mammals	Eastern Wolf	Canis lupus lycaon	SC	range
Birds	Whip-poor-will [PDF fact sheet]	Caprimlugus vociferus	THR
Plants	Juniper Sedge	Carex juniperorum	END	range
Plants	False Hop Sedge	Carex lupuliformis	END	range
Plants	American Chestnut	Castanea dentata	END	range
Plants	Dwarf Hackberry	Celtis tenuifolia	THR	range
Birds	Chimney swift [PDF fact sheet]	Chaetura pelagica	THR
Birds	Piping Plover	Charadrius melodus	END	range
Reptiles	Snapping turtle [PDF fact sheet]	Chelydra serpentina	SC
Plants	Spotted Wintergreen	Chimaphila maculata	END	range
Birds	Black Tern	Chlidonias niger	SC	range
Birds	Common nighthawk [PDF fact sheet]	Chordeiles minor	SC
Plants	Hill’s Thistle	Cirsium hillii	THR	range
Plants	Pitcher’s Thistle	Cirsium pitcheri	END	range
Reptiles	Spotted Turtle	Clemmys guttata	END	range
Fish	Redside Dace	Clinostomus elongatus	END	range
Birds	Northern Bobwhite	Colinus virginianus	END	range
Plants	Spring Blue-eyed Mary	Collinsia verna	EXP	range
Reptiles	Blue Racer	Coluber constrictor foxii	END	range
Birds	Olive-sided flycatcher [PDF fact sheet]	Contopus cooperi	SC
Fish	Upper Great Lakes Kiyi	Coregonus kiyi kiyi	SC	range
Fish	Shortnose Cisco	Coregonus reighardi	END	range
Fish	Shortjaw Cisco	Coregonus zenithicus	THR	range
Plants	Eastern Flowering Dogwood	Cornus florida	END	range
Birds	Yellow Rail	Coturnicops noveboracensis	SC	range
Reptiles	Timber Rattlesnake	Crotalus horridus	EXP	range
Plants	Small White Lady’s-slipper	Cypripedium candidum	END	range
Insects	Monarch	Danaus plexippus	SC	range
Mammals	Beluga	Delphinapterus leucas	SC	range
Birds	Cerulean Warbler	Dendroica cerulea	SC	range
Birds	Kirtland’s Warbler	Dendroica kirtlandii	END	range
Plants	Illinois Tick-trefoil	Desmodium illinoense	EXP	range
Amphibians	Northern Dusky Salamander	Desmognathus fuscus	END	range
Amphibians	Allegheny Mountain Dusky Salamander	Desmognathus ochrophaeus	END	range
Plants	Horsetail Spike-rush	Eleocharis equisetoides	END	range
Plants	Bent spike-rush [PDF fact sheet]	Eleocharis geniculata	END
Birds	Acadian Flycatcher	Empidonax virescens	END	range
Reptiles	Blanding’s Turtle	Emydoidea blandingii	THR	range
Plants	False Rue-anemone	Enemion biternatum	THR	range
Molluscs	Northern Riffleshell	Epioblasma torulosa rangiana	END	range
Molluscs	Snuffbox	Epioblasma triquetra	END	range
Fish	Gravel Chub	Erimystax x-punctatus	EXP	range
Fish	Lake Chubsucker	Erimyzon sucetta	THR	range
Insects	Eastern Persius Duskywing	Erynnis persius persius	EXP	range
Fish	Grass Pickerel	Esox americanus vermiculatus	SC	range
Plants	White Wood Aster	Eurybia divaricata	THR	range
Fish	Cutlip Minnow	Exoglossum maxillingua	THR	range
Birds	Peregrine Falcon [PDF fact sheet]	Falco peregrinus	THR	range
Mosses	Pygmy Pocket Moss	Fissidens exilis	SC	range
Plants	American Columbo	Frasera caroliniensis	END	range
Plants	Blue Ash	Fraxinus quadrangulata	SC	range
Fish	Blackstripe Topminnow	Fundulus notatus	SC	range
Plants	White Prairie Gentian	Gentiana alba	END	range
Reptiles	Wood Turtle [PDF fact sheet]	Glyptemys insculpta	END	range
Insects	Rapids clubtail [PDF fact sheet]	Gomphus quadricolor	END
Reptiles	Northern Map Turtle	Graptemys geographica	SC	range
Mammals	Wolverine	Gulo gulo	THR	range
Plants	Kentucky Coffee-tree	Gymnocladus dioicus	THR	range
Amphibians	Spring Salamander	Gyrinophilus porphyriticus	EXP	range
Birds	Bald Eagle	Haliaeetus leucocephalus	SC	range
Reptiles	Eastern Hog-nosed Snake	Heterodon platirhinos	THR	range
Plants	Swamp Rose-mallow	Hibiscus moscheutos	SC	range
Plants	Goldenseal	Hydrastis canadensis	THR	range
Plants	Lakeside Daisy	Hymenoxys herbacea	THR	range
Fish	Northern Brook Lamprey	Ichthyomyzon fossor	SC	range
Birds	Yellow-breasted Chat	Icteria virens	SC	range
Plants	Dwarf Lake Iris	Iris lacustris	THR	range
Plants	Engelmann’s Quillwort [PDF fact sheet]	Isoetes engelmannii	END	range
Plants	Small Whorled Pogonia	Isotria medeoloides	END	range
Plants	Large Whorled Pogonia	Isotria verticillata	END	range
Birds	Least Bittern	Ixobrychus exilis	THR	range
Plants	Butternut	Juglans cinerea	END	range
Plants	American Water-willow	Justicia americana	THR	range
Reptiles	Milksnake	Lampropeltis triangulum	SC	range
Molluscs	Wavy-rayed Lampmussel	Lampsilis fasciola	END	range
Birds	Loggerhead Shrike	Lanius ludovicianus	END	range
Fish	Spotted Gar	Lepisosteus oculatus	THR	range
Fish	Warmouth	Lepomis gulosus	SC	range
Lichens	Flooded Jellyskin	Leptogium rivulare	THR	range
Plants	Slender Bush-clover (Tallgrass Prairie Heritage Park, Ojibway Park and Black Oak Heritage Park in the City of Windsor)	Lespedeza virginica	END	range
Plants	Dense Blazing Star	Liatris spicata	THR	range
Molluscs	Eastern Pondmussel	Ligumia nasuta	END	range
Plants	Purple Twayblade	Liparis liliifolia	END	range
Plants	Small-flowered Lipocarpha	Lipocarpha micrantha	THR	range
Insects	Karner Blue	Lycaeides melissa samuelis	EXP	range
Fish	Silver Chub	Macrhybopsis storeriana	SC	range
Plants	Cucumber Tree	Magnolia acuminata	END	range
Birds	Red-headed Woodpecker	Melanerpes erythrocephalus	SC	range
Mammals	Woodland Vole	Microtus pinetorum	SC	range
Fish	Spotted Sucker	Minytrema melanops	SC	range
Plants	Red Mulberry	Morus rubra	END	range
Fish	River Redhorse	Moxostoma carinatum	SC	range
Fish	Black Redhorse	Moxostoma duquesnei	THR	range
Reptiles	Lake Erie Watersnake	Nerodia sipedon insularum	END	range
Fish	Pugnose Shiner	Notropis anogenus	END	range
Fish	Bridle Shiner	Notropis bifrenatus	SC	range
Fish	Silver Shiner	Notropis photogenis	SC	range
Fish	Northern Madtom	Noturus stigmosus	END	range
Birds	Eskimo Curlew	Numenius borealis	END	range
Molluscs	Round Hickorynut	Obovaria subrotunda	END	range
Fish	Pugnose Minnow	Opsopoeodus emiliae	SC	range
Plants	Eastern Prickly Pear Cactus (Fish Point Provincial Nature Reserve on Pelee Island)	Opuntia humifusa	END	range
Plants	American Ginseng	Panax quinquefolius	END	range
Reptiles	Eastern Foxsnake (Carolinian population)	Pantherophis gloydi	END	range
Reptiles	Eastern Foxsnake (Georgian Bay population)	Pantherophis gloydi	THR	range
Reptiles	Gray Ratsnake (Carolinian population)	Pantherophis spiloides	END	range
Reptiles	Gray Ratsnake (Frontenac axis population)	Pantherophis spiloides	THR	range
Insects	Aweme Borer Moth	Papaipema aweme	END	range
Birds	American White Pelican	Pelecanus erythrorhynchos	THR	range
Fish	Channel Darter	Percina copelandi	THR	range
Plants	Broad Beech Fern	Phegopteris hexagonoptera	SC	range
Insects	West Virginia White	Pieris virginiensis	SC	range
Plants	Heart-leaved Plantain	Plantago cordata	END	range
Plants	Eastern Prairie Fringed-orchid [PDF fact sheet]	Platanthera leucophaea	END	range
Reptiles	Common Five-lined Skink (Carolinian population)	Plestiodon fasciatus	END	range
Reptiles	Common Five-lined Skink (Southern Shield population)	Plestiodon fasciatus	SC	range
Molluscs	Round Pigtoe	Pleurobema sintoxia	END	range
Birds	Horned grebe [PDF fact sheet]	Podiceps auritus	SC
Plants	Pink Milkwort	Polygala incarnata	END	range
Fish	Paddlefish	Polyodon spathula	EXP	range
Plants	Hill’s Pondweed	Potamogeton hillii	SC	range
Plants	Ogden's Pondweed	Potamogeton ogdenii	END	range
Birds	Prothonotary Warbler	Protonotaria citrea	END	range
Plants	Common Hoptree	Ptelea trifoliata	THR	range
Molluscs	Kidneyshell	Ptychobranchus fasciolaris	END	range
Mosses	Incurved Grizzled Moss	Ptychomitrium incurvum	EXP	range
Mammals	Mountain Lion or Cougar	Puma concolor	END	range
Plants	Hoary Mountain-mint	Pycnanthemum incanum	END	range
Molluscs	Mapleleaf Mussel	Quadrula quadrula	THR	range
Plants	Shumard Oak	Quercus shumardii	SC	range
Birds	King Rail	Rallus elegans	END	range
Mammals	Woodland Caribou (Forest-dwelling boreal population)	Rangifer tarandus caribou	THR	range
Reptiles	Queensnake	Regina septemvittata	THR	range
Plants	Climbing Prairie Rose	Rosa setigera	SC	range
Plants	Toothcup	Rotala ramosior	END	range
Fish	Atlantic Salmon (Lake Ontario population)	Salmo salar	EXP	range
Fish	Aurora Trout	Salvelinus fontinalis timagamiensis	END	range
Mammals	Eastern Mole	Scalopus aquaticus	SC	range
Birds	Louisiana Waterthrush	Seiurus motacilla	SC	range
Molluscs	Mudpuppy Mussel	Simpsonaias ambigua	END	range
Reptiles	Massasauga	Sistrurus catenatus	THR	range
Plants	Round-leaved Greenbrier	Smilax rotundifolia	THR	range
Plants	Houghton’s Goldenrod	Solidago houghtonii	THR	range
Plants	Riddell’s Goldenrod	Solidago riddellii	SC	range
Plants	Showy Goldenrod	Solidago speciosa	END	range
Reptiles	Eastern Musk Turtle	Sternotherus odoratus	THR	range
Plants	Wood-poppy	Stylophorum diphyllum	END	range
Plants	Willowleaf Aster	Symphyotrichum praealtum	THR	range
Plants	Crooked-stem Aster	Symphyotrichum prenanthoides	THR	range
Plants	Western Silvery Aster [PDF fact sheet]	Symphyotrichum sericeum	END	range
Mammals	American Badger [PDF fact sheet]	Taxidea taxus	END	range
Plants	Virginia Goat’s-rue	Tephrosia virginiana	END	range
Reptiles	Butler’s Gartersnake	Thamnophis butleri	THR	range
Reptiles	Eastern Ribbonsnake	Thamnophis sauritus	SC	range
Plants	Few-flowered Club-rush (Pickering and Hamilton) [PDF fact sheet]	Trichophorum planifolium	END	range
Plants	Drooping Trillium	Trillium flexipes	END	range
Plants	Nodding Pogonia	Triphora trianthophora	END	range
Molluscs	Fawnsfoot [PDF fact sheet]	Truncilla donaciformis	END
Birds	Greater Prairie-Chicken	Tympanuchus cupido	EXP	range
Birds	Barn Owl [PDF fact sheet]	Tyto alba	END	range
Mammals	Grey Fox	Urocyon cinereoargenteus	THR	range
Mammals	Polar Bear	Ursus maritimus	THR	range
Plants	Deerberry	Vaccinium stamineum	THR	range
Birds	Golden-winged Warbler	Vermivora chrysoptera	SC	range
Molluscs	Rayed Bean	Villosa fabalis	END	range
Molluscs	Rainbow Mussel	Villosa iris	THR	range
Plants	Bird’s-foot Violet	Viola pedata	END	range
Birds	Canada warbler [PDF fact sheet]	Wilsonia canadensis	SC
Birds	Hooded Warbler	Wilsonia citrina	SC	range
Plants	Blunt-lobed Woodsia	Woodsia obtusa	END	range

Glossary

OMNR STATUS		DEFINITION
EXP	Extirpated	A species that no longer exists in the wild in Ontario but still occurs elsewhere.
END	Endangered	A species facing imminent extinction or extirpation in Ontario which is a candidate for regulation under Ontario's ESA.
THR	Threatened	A species that is at risk of becoming endangered in Ontario if limiting factors are not reversed.
SC	Special Concern (formerly Vulnerable)	A species with characteristics that make it sensitive to human activities or natural events.

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Last Modified: September 16, 2009