Discover Maryland's Herps

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

Tree Frogs (Family Hylidae)

Mountain Chorus Frog
Pseudacris brachyphona

 

Adult Mountain Chorus Frog, photo courtesy of Don Forester
Adult Mountain Chorus Frog, photo courtesy of Don Forester

Size

  • 1 to 1 1/4 inches

  • Record: 1 1/2 inches

  • Appearance

  • A small treefrog, but with a robust body shape

  • Dorsal coloration ranges from yellowish to light brown or tan, with two distinctive curved dark bands, like reversed parentheses. These stripes may be separated or may be close enough to touch and form an "X".

  • Light line on the upper lip distinguishes this from the Northern Spring Peeper

  • Dark triangle often, but not always, present between the eyes.


  • Photo of  Habitat for Mountain Chorus Frog, courtesy of Rebecca Chalmers
    Photo of  Habitat for
    Mountain Chorus Frog,
    courtesy of Rebecca Chalmers

    Habitat

  • Prefers moist hillside forests and floodplains.

  • Requires vernal pools for breeding

  • May also be found in drainage ditches.

  • How to Find

  • In Maryland, this frog is found only on the Allegheny Plateau of Allegany and Garrett Counties.

  • Listen for its high pitched trill, similar to the ascending notes produced by running a finger up a comb.

  • Distinguished from the Upland Chorus Frog by the shorter trill interval and its unique location.

  • Status

  • State listed as Endangered

  • If you find any, please contact DNR's Wildlife and Heritage Service.

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    Maryland Distribution Map
    Maryland Distribution Map for Mountain Chorus Frog

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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.