A common pond frog whose distinctive "plunk" call (like a loose banjo string) is unmistakable on summer evenings. Often confused with the larger bullfrog but distinguished by parallel ridges along the back.

§ Quick facts

SizeAdults 6.5–11 cm (2.5–4.3 in)
Weight30–80 g
LifespanWild 2–4 years; captive 9
OrderAnura
FamilyRanidae

§ Encyclopedia

Lithobates clamitans or Rana clamitans, commonly known as the green frog, is a species of frog native to eastern North America. The two subspecies are the bronze frog and the northern green frog.

Source: Wikipedia — Lithobates clamitans Licensed under CC BY-SA 4.0

§ Identification

Field marks. Olive-tan-green frog with bronze tones; pale belly.

Similar species. Bullfrog (much larger). Mink Frog. River Frog.

Voice. Banjo-like "gunk!" call.

§ Diet & behavior

Diet. Insects, spiders, slugs, smaller frogs.

Behavior. Largely solitary. Males call in choruses near breeding ponds.

§ Range

Eastern North America from Canada to Florida

§ Habitat

Permanent ponds, lakes, slow streams, marshes

§ Threats

Wetland loss, chytrid fungus disease, pesticides, lawn-monoculture habitat loss.

§ Conservation status

According to the IUCN Red List, the green frog is currently classified as Least Concern.

§ What helps

Build a backyard pond. Skip lawn pesticides. Maintain native shrubs and grasses around water features.

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§ Further reading

§ Sources cited

  • AmphibiaWeb
  • USGS ARMI
  • iNaturalist
  • IUCN Red List 2014