Rana clamitans Anura Rana clamitans Green Frog Search for another Amphibian or Reptile. Search for amphibians and reptiles by Illinois county. Go to the INHS Amphibian and Reptile Collection page. Search the INHS collections data for this species by clicking on the button below. Search the Type Specimen Data for this species by clicking on the button below.
Yellow shade indicates verified sighting.
Slanted hatch indicates pre-1980 records only. Not all specimens upon which these maps are based have been verified. Green frog, R . Chin, breast, and undersides of legs sometimes marked with dark spots or mottling. Mature male with larger tympanum, enlarged thumbs during breeding season, stouter front legs, bright green upper jaw, and yellow throat.