Animals

Even though it is surrounded by human development, the parkway is home to a wide variety of animals, including:

• 29 species of mammals
• 254 species of birds
• 45 species of reptiles and amphibians
• 62 species of fish
• 17 species of earthworms
• 13 species of millipedes and centipedes
• 46 species of crustaceans
• 80 species of mollusks
• 37 species of arachnids
• 2644 species of insects

Twenty-one of these species are listed by the states of Virginia or Maryland as rare, threaten or endangered.