Rhode Island
Species of Greatest Conservation Need (2015)
| Scientific Name | Common Name | Subtaxon | S-Rank | State Listing | RSGCN Concern |
|---|---|---|---|---|---|
| Aythya affinis | Lesser Scaup | Waterfowl | |||
| Aythya marila | Greater Scaup | Waterfowl | |||
| Aythya valisineria | Canvasback | Waterfowl | |||
| Balaenoptera physalus | Fin Whale | Marine Fish | Very High | ||
| Barnea truncata | Atlantic Mud Piddock | Mollusc | |||
| Bembidion confusum | A Ground Beetle | Other Beetles | |||
| Bembidion semicinctum | A Ground Beetle | Other Beetles | |||
| Boloria bellona | Meadow Fritillary | Butterflies and Skippers | |||
| Boloria selene | Silver-bordered Fritillary | Butterflies and Skippers | |||
| Bombus affinis | Rusty-patched Bumble Bee | Bumble Bees | Very High | ||
| Bombus terricola | Yellow-banded Bumble Bee | Bumble Bees | Moderate | ||
| Bonasa umbellus | Ruffed Grouse | Upland Game Birds | High | ||
| Brachinus cyanipennis | Ground Beetle | Other Beetles | |||
| Branta bernicla | Atlantic Brant | Waterfowl | |||
| Branta canadensis | Canada Goose | Waterfowl | |||
| Brevoortia tyrannus | Atlantic Menhaden | Marine Fish | |||
| Bucephala albeola | Bufflehead | Waterfowl | |||
| Bucephala clangula | Common Goldeneye | Waterfowl | |||
| Busycon carica | Knobbed Whelk | Mollusc | |||
| Busycotypus canaliculatum | Channeled Whelk | Mollusc | |||
| Calathus ingratus | Beetle | Other Beetles | |||
| Calidris alba | Sanderling | Shorebirds | |||
| Calidris alpina | Dunlin | Shorebirds | |||
| Calidris canutus | Red Knot | Shorebirds | |||
| Calidris fuscicollis | White-rumped Sandpiper | Shorebirds | |||
| Calidris maritima | Purple Sandpiper | Shorebirds | High | ||
| Calidris minutilla | Least Sandpiper | Shorebirds | |||
| Calidris pusilla | Semipalmated Sandpiper | Shorebirds | |||
| Callinectes sapidus | Blue Crab | Marine Crustaceans | |||
| Callophrys gryneus | Juniper Hairstreak | Butterflies and Skippers | |||
| Callophrys henrici | Henry's Elfin | Butterflies and Skippers | |||
| Callophrys hesseli | Hessel's Hairstreak | Butterflies and Skippers | High | ||
| Callophrys irus | Frosted Elfin | Butterflies and Skippers | Very High | ||
| Callophrys polios | Hoary Elfin | Butterflies and Skippers | Moderate | ||
| Callosamia angulifera | Tulip Tree Silkworm | Moths | |||
| Callosamia promethea | Promethia Silkmoth | Moths | |||
| Calonectris diomedea | Cory's Shearwater | Waterbirds | |||
| Calosoma wilcoxi | Caterpillar Hunter | Other Beetles | |||
| Cancer borealis | Jonah Crab | Marine Crustaceans | |||
| Cancer irroratus | Rock Crab | Marine Crustaceans | |||
| Canthon pilularius | Dull Tumblebug | Other Beetles | |||
| Canthon vigilans | Vigilant Tumblebug | Other Beetles | |||
| Capis curvata | Curved Halter Moth | Moths | |||
| Carabus serratus | A Ground Beetle | Other Beetles | |||
| Carabus sylvosus | A Ground Beetle | Other Beetles | |||
| Carabus vinctus | A Ground Beetle | Other Beetles | |||
| Carcharius taurus | Sand Tiger Shark | Marine Fish | |||
| Cardellina canadensis | Canada Warbler | Landbirds | Moderate | ||
| Caretta caretta | Loggerhead Sea Turtle | Sea Turtles | Very High | ||
| Catharus fuscescens | Veery | Landbirds | Moderate |