Field Guide Explore the Field Guide to learn about more than 350 species of birds, fish, insects, algae, invertebrates, mammals, plants, reptiles and amphibians that live in the Chesapeake Bay region. Search & Filter Search & Filter Clear All Search Critters Search term Search Filter Critter Type Algae All Algae Birds All Birds Gamebirds Raptors Sea & Shorebirds Songbirds Wading Birds Waterfowl Fish All Fish Estuarine Fish Freshwater Fish Migratory Fish Insects All Insects Invertebrates All Invertebrates Arthropods Mollusks Mammals All Mammals Aquatic Mammals Flying Mammals Land Mammals Semi-Aquatic Mammals Plants & Trees All Plants & Trees Grasses Herbaceous Submerged Aquatic Vegetation Trees & Shrubs Reptiles & Amphibians All Reptiles & Amphibians Amphibians Reptiles Habitat Aquatic Reefs & Pilings Beaches & Tidal Flats Forests & Uplands Marshes & Wetlands Open & Shallow Waters Streams & Rivers Species Type Native Nonnative Invasive Conservation Status Endangered Threatened Stable Search Results Showing: ${ shownResults } of ${ totalResults } ${ filter.value } Clear All