Discover Maryland's Herps

Field Guide to Maryland's Frogs and Toads (Order Anura)

Tree Frogs (Family Hylidae)

Green Treefrog
Hyla cinerea

Adult Green Treefrog, photo courtesy of John White
Adult Green Treefrog, photo courtesy of John White

Size

  • 1 - 2 inches 
  • Record - 2 inches
  • Appearance

  • Back usually bright green but may be yellowish or a dull green to slate grey.
  • Diagnostic characteristic is the white or yellowish stripe which separates the back from the sides, the stripe extending from along the upper lip to near the groin.
  • The throat and belly are white to yellow.
  • A true treefrog, they have large “adhesive disk” toe pads and greater web development between the toes than the chorus frogs.

  • Photo of Green Treefrog showing large"adhesive disk"  toe pads, courtesy of David Kazyak
    Photo of Green Treefrog showing large
    "adhesive disk"  toe pads, courtesy of David Kazyak

    Photo of  habitat for Green Treefrog, courtesy of Rebecca Chalmers
    Photo of Habitat for Green Treefrog,
    courtesy of Rebecca Chalmers

    Habitat

  • Swamps, borders of lakes and streams, floating vegetation, and freshwater and brackish marshes, particularly along the upland fringe of the latter.
  • How to Find

  • Listen for their bell-like nasally call “queenk, queenk, queenk” repeated up to 75 times per minute.
  • Typically call in large choruses from late April to August, usually at night.
  • Maryland Distribution Map
    Maryland Distribution Map for Green Treefrog

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    Maryland Amphibian
    and Reptile Atlas Project

    "A Joint Project of the Natural History Society of Maryland, Inc. and the Maryland Department of Natural Resources"

    For monthly newsletters of the Maryland Amphibian & Reptile Atlas Project click on Recent Newsletters and scroll down to the MARA Newsletters.

    The Maryland Herpetology Field Guide is a cooperative effort of the MD Natural Heritage Program and the MD Biological Stream Survey within the Department of Natural Resources and their partners. We wish to thank all who contributed field records, text, and photographs, as well as support throughout its development.