Birds:
- Eastern screech-owl (_Megascops asio_)
- Wood duck (_Aix sponsa_)
- Northern flicker (_Colaptes auratus_)
- American crow (_Corvus brachyrhynchos_)
- Northern cardinal (_Cardinalis cardinalis_)
Mammals:
- White-tailed deer (_Odocoileus virginianus_)
- Eastern cottontail rabbit (_Sylvilagus floridanus_)
- Raccoon (_Procyon lotor_)
- Eastern gray squirrel (_Sciurus carolinensis_)
- Virginia opossum (_Didelphis virginiana_)
Reptiles:
- Eastern box turtle (_Terrapene carolina_)
- Northern water snake (_Nerodia sipedon_)
- Eastern garter snake (_Thamnophis sirtalis_)
- Common snapping turtle (_Chelydra serpentina_)
- American alligator (_Alligator mississippiensis_) (found in the Potomac River)
Amphibians:
- American bullfrog (_Rana catesbeiana_)
- Green frog (_Rana clamitans_ _melanota_)
- Pickerel frog (_Lithobates palustris_)
- Eastern newt (_Notophthalmus viridescens_)
- Marbled salamander (_Ambystoma opacum_)
Fish:
- Largemouth bass (_Micropterus salmoides_)
- Smallmouth bass (_Micropterus dolomieu_)
- Striped bass (_Morone saxatilis_)
- White crappie (_Pomoxis annularis_)
- Bluegill (_Lepomis macrochirus_)
Insects:
- Monarch butterfly (_Danaus plexippus_)
- Eastern tiger swallowtail butterfly (_Papilio glaucus_)
- American dogwood sawfly (_Macremphytus tarsatus_)
- Common green darner dragonfly (_Anax junius_)
- Honey bee (_Apis mellifera_)