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.

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