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South Central ARMI

Guide to Louisiana Amphibians

Rio Grande chirping frog (Eleutherodactylus cystignathoides)

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  Image of Rio Grande chirping frog (Eleutherodactylus cystignathoides)
 

Photo: Hardin Waddle
Click on the image to display a larger version.

  Range Map for Rio Grande chirping frog (Eleutherodactylus cystignathoides)
  Range map source: USGS National Amphibian Atlas, USGS Patuxent Wildlife Research Center
Non native, small, terrestrial frog reaching a maximum length of 1 inch. Sexually dimorphic in size—males are usually smaller than females and have larger tympani and a longer head. Skin is smooth and covered in patches ranging in coloration from various shades of brown, gray, or yellow olive. Body is flat and elongate, and snout is pointed. A dark line runs from the nostril through the eye. Males call through the summer and into early fall. The call resembles that of a cricket. Females lay 5 to 12 eggs in each clutch and lay several clutches each year. Species occurs where it has been introduced in Lafayette, Shreveport, Baton Rouge, Broussard and Caddo Parish.

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