Spring Peeper

Pseudacris crucifer
Spring Peeper

JD Wilson

Family: Hylidae

Pseudacris crucifer

Spring Peeper

Size: 1.9 to 3.5 cm long (¾" to 1 ½")

General Description: Skin tan to brown or gray with dark "x" shape on back. Large toe pads. Not distinctly mottled striped or spotted.

Similar Species: Northern Spring Peeper, P. crucifer crucifer, is considered a subspecies and is characterized by a plain or almost plain belly. Other members of this genus are distinguished by distinctly striped, spotted or mottled patterns. Mountain Chorus Frogs, P. brachyphona, may have markings resembling a crude "x" on their backs but will also generally have a well defined dark triangle between their eyes. Bird-voiced and Gray Treefrogs, Hyla avivoca, H. chrysoscelis, and H. versicolor, all have a light spot beneath the eye. Pine Woods Treefrogs, H. femoralis, are distinguished by light spots on the rear of their thigh.

Reproduction: Breeds November to March in southern areas, March to June in northern areas.

Habitat: Prefers wooded areas in or near water; ponds, swamps, etc. Water source can be permanent or temporary.

Behavior: Nocturnal. May hibernate under logs and loose bark.

Voice: Large choruses may sound like sleigh bells from a distance. Individual calls are a single clear note repeated at about a one second interval; the sound is a high, piping whistle with a terminal upward slur (in contrast to the Ornate Chorus Frog, Pseudacris ornata, which has a piping note that ends sharply in its call). Some individuals may make a trilling peep call that is heard in the background of small choruses.

Last updated: April 14, 2015

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