| Mummichog | Fundulus | heteroclitus | | 1 | Fish | Fundulidae | Cyprinodontiformes | Actinopterygii | Animalia |
| Permit | Trachinotus | falcatus | | 1 | Fish | Carangidae | Perciformes | Actinopterygii | Animalia |
| Fowler's Toad | Anaxyrus | fowleri | | 2 | Amphibians | Bufonidae | Anura | Amphibia | Animalia |
| Green Treefrog | Hyla | cinerea | | 1 | Amphibians | Hylidae | Anura | Amphibia | Animalia |
| Red-breasted Merganser | Mergus | serrator | | 1 | Birds | Anatidae | Anseriformes | Aves | Animalia |
| Least Sandpiper | Calidris | minutilla | | 1 | Birds | Scolopacidae | Charadriiformes | Aves | Animalia |
| Clapper Rail | Rallus | crepitans | | 1 | Birds | Rallidae | Gruiformes | Aves | Animalia |
| Common Yellowthroat | Geothlypis | trichas | | 1 | Birds | Parulidae | Passeriformes | Aves | Animalia |
| Yellow-crowned Night Heron | Nyctanassa | violacea | | 1 | Birds | Ardeidae | Pelecaniformes | Aves | Animalia |
| Chestnut Clam | Isocrassina | castanea | | 1 | Astartid Clams | Astartidae | Carditida | Bivalvia | Animalia |
| Northern Quahog | Mercenaria | mercenaria | | 1 | Saltwater Bivalves | Veneridae | Veneroida | Bivalvia | Animalia |
| Shark Eye | Neverita | duplicata | | 1 | Marine Snails | Naticidae | Littorinimorpha | Gastropoda | Animalia |
| Leopard Slug | Limax | maximus | | 1 | Slugs | Limacidae | Stylommatophora | Gastropoda | Animalia |
| Margined Leatherwing | Chauliognathus | marginatus | | 1 | Soldier Beetles | Cantharidae | Coleoptera | Insecta | Animalia |
| No Common Name | Anthrenus | isabellinus | | 1 | Carpet Beetles | Dermestidae | Coleoptera | Insecta | Animalia |
| American Carrion Beetle | Necrophila | americana | | 1 | Carrion Beetles | Silphidae | Coleoptera | Insecta | Animalia |
| No Common Name | Proctacanthus | rufus | | 1 | Robber Flies | Asilidae | Diptera | Insecta | Animalia |
| Western Conifer Seed Bug | Leptoglossus | occidentalis | | 1 | Leaf-footed Bugs | Coreidae | Hemiptera | Insecta | Animalia |
| Common Eastern Bumble Bee | Bombus | impatiens | | 1 | Bees | Apidae | Hymenoptera | Insecta | Animalia |
| American Bumble Bee | Bombus | pensylvanicus | | 1 | Bees | Apidae | Hymenoptera | Insecta | Animalia |
| Northern Carpenter Bee | Xylocopa | virginica | | 1 | Bees | Apidae | Hymenoptera | Insecta | Animalia |
| Pelecinid Wasp | Pelecinus | polyturator | | 1 | Pelecinid Wasps | Pelecinidae | Hymenoptera | Insecta | Animalia |
| Northern Paper Wasp | Polistes | fuscatus | | 1 | Vespid Wasps | Vespidae | Hymenoptera | Insecta | Animalia |
| Silver-spotted Skipper | Epargyreus | clarus | | 1 | Butterflies | Hesperiidae | Lepidoptera | Insecta | Animalia |
| Common Buckeye | Junonia | coenia | | 1 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Red Admiral | Vanessa | atalanta | | 3 | Butterflies | Nymphalidae | Lepidoptera | Insecta | Animalia |
| Cloudless Sulphur | Phoebis | sennae | | 2 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Cabbage White | Pieris | rapae | | 1 | Butterflies | Pieridae | Lepidoptera | Insecta | Animalia |
| Pandorus Sphinx | Eumorpha | pandorus | | 1 | Moths | Sphingidae | Lepidoptera | Insecta | Animalia |
| Seaside Dragonlet | Erythrodiplax | berenice | | 2 | Dragonflies | Libellulidae | Odonata | Insecta | Animalia |
| Differential Grasshopper | Melanoplus | differentialis | | 2 | Grasshoppers | Acrididae | Orthoptera | Insecta | Animalia |
| American Bird Grasshopper | Schistocerca | americana | | 1 | Grasshoppers | Acrididae | Orthoptera | Insecta | Animalia |
| Obscure Bird Grasshopper | Schistocerca | obscura | | 1 | Grasshoppers | Acrididae | Orthoptera | Insecta | Animalia |
| Northern Mole Cricket | Neocurtilla | hexadactyla | | 1 | Crickets | Gryllotalpidae | Orthoptera | Insecta | Animalia |
| Woodchuck | Marmota | monax | | 1 | Mammals | Sciuridae | Rodentia | Mammalia | Animalia |
| Eastern Ratsnake | Pantherophis | alleghaniensis | | 1 | Reptiles | Colubridae | Squamata | Reptilia | Animalia |
| Dekay's Brownsnake | Storeria | dekayi | | 1 | Reptiles | Colubridae | Squamata | Reptilia | Animalia |
| Snapping Turtle | Chelydra | serpentina | | 1 | Reptiles | Chelydridae | Testudines | Reptilia | Animalia |
| Red-eared Slider | Trachemys | scripta elegans | | 1 | Reptiles | Emydidae | Testudines | Reptilia | Animalia |
| Dryad's Saddle | Cerioporus | squamosus | | 1 | Fungi | Polyporaceae | Polyporales | Agaricomycetes | Fungi |
| False Solomon's-seal | Maianthemum | racemosum | | 1 | Asparagus Family | Asparagaceae | Asparagales | Magnoliopsida | Plantae |
| American Yarrow | Achillea | borealis | | 1 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Yellow Thistle | Cirsium | horridulum var. horridulum | | 1 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Sweetclover | Melilotus | albus | | 1 | Pea Family | Fabaceae | Fabales | Magnoliopsida | Plantae |
| Beefsteak Plant | Perilla | frutescens | | 1 | Mint Family | Lamiaceae | Lamiales | Magnoliopsida | Plantae |
| Bear Corn | Conopholis | americana | | 1 | Broom-rape Family | Orobanchaceae | Lamiales | Magnoliopsida | Plantae |
| Annual Toadflax | Linaria | canadensis | | 1 | Plantain Family | Plantaginaceae | Lamiales | Magnoliopsida | Plantae |
| Common Spicebush | Lindera | benzoin | | 1 | Laurel Family | Lauraceae | Laureles | Magnoliopsida | Plantae |
| Greater Celandine | Chelidonium | majus | | 1 | Poppy Family | Papaveraceae | Papaverales | Magnoliopsida | Plantae |
| Dutchman's Breeches | Dicentra | cucullaria | | 1 | Poppy Family | Papaveraceae | Papaverales | Magnoliopsida | Plantae |
| Eastern Red Cedar | Juniperus | virginiana var. virginiana | | 1 | Cypress Family | Cupressaceae | Pinales | Pinopsida | Plantae |