Mink Frogs have similar dark marking on the back but lack dorsolateral folds; though in areas where range overlap occurs, Green Frogs may not have dorsolateral folds due to mimicry of Mink Frogs. -- was Wood Frog without mask? Similar to the green frog, although dorsolateral folds may be absent, partial, or prominent. The mink frog is 2-3 inches in length. Mink Frog (Rana septrentionalis) The Mink Frog is very similiar to the Green Frog or American Bullfrog but the coloration on it is much different and has more black in it. The Wood Frog is easily identified by dark stripes on its face and brownish red color. Mink […] Commonly Confused Species: Bullfrog, Mink frog When handled the mink frog may emit a strong “rotten onion” smelling odor. Green Frog A common, long-legged, highly aquatic frog, found in ponds, marshes, lake fringes and sometimes along stream sides. A male frog has two interior testicles and spermatic canal -- not a penis -- that produce the sperm. The creature is mainly aquatic. Mink frogs have dark spots or blotches rather than dark banding on the hind legs and often have a yellow belly. General description: This fist-sized frog has two ridges down its back. Look for an upper lip that is lighter and brighter green than the head. Green Frog This frog measures from 2 3/8 to 3 1/2 inches (6-9 cm.) Male and female frogs have differing genitals, but even this fact isn't particularly accessible in determining if an individual frog is male or female. Confusing Species: Confusing Species The Green Frog is similar although it can get larger and always has partial dorsolateral ridges. The height of the breeding season is in July. The Mink Frog is one of the three green-faced frogs in Vermont (the others are the American Bullfrog and the Green Frog).It measures 2-2¾ inches long. Notice the fold of skin that starts just behind the eye, goes over the tympanum (ear drum disc behind the eye) and runs the length of the body. It is found throughout the … Description: A 2-4 inch green or brownish frog with prominent ridges along each side of the back that branch from a large disc (the tympanum) behind the each eye. Commonly Confused Species: Bullfrog, Mink frog A male frog has two interior testicles and spermatic canal -- not a penis -- that produce the sperm. Mink Frogs also do not have bars on the hind legs. In addition, the Green Frog has a white belly. It has large tympanum on the side of its head. Webbing on toes of hind feet extends to last joint of 4th toe and to tip of 5th toe. Mink Frogs may also be confused with Green Frogs although the former has a yellowish belly, a musky odour and eyes slightly upturned. The frog is so named due to its scent which smells like mink. Mink Frogs are generally green to brown, often spotted or mottled. Young bullfrogs may be similar, but are usually green and have sparse spotting. long, but can grow as large as 4 1/4 inches. The young may have black spots. The ridges terminate before reaching the groin area. American bullfrogs and mink frogs are very similar to the green frog. The basic body color is green to brown. The green frog is the second largest frog in Minnesota, second only to the bullfrog. Mink frog is a medium-sized species of frog found in the United States and Canada. Green Frogs often have heavy patterning of dark spots where their range overlaps with the Mink Frog’s, but the two can be distinguished by the Mink Frog’s distinctive odor and the different patterns on the hindlegs: Mink Frogs have rounded spots or lengthwise bars while Green Frogs have dark crossbands. It is olive green to brown and has dark blotches and spots on its body. Female Green Frog (Rana clamitans melanota) The easiest way to identify a Green Frog is to study the length of the dorso-lateral fold. Distributions: The Green Frog is native to Manitoba, Ontario, Québec, New … Often lacks ridges (but not always). Their preferred habitat is quiet waters with lots of plants like lily pads and pickerel weed. This frog is easy to confuse with the mink frog, which appears later in the season. Lithobates septentrionalis Identification . Adult Green Frogs superficially resemble American Bullfrogs as adults but are smaller and have dorsolateral folds along the back. It is found in southern Manitoba, and through much of Ontario, Quebec, New Brunswick, Nova Scotia and Labrador. Commonly Confused Species: Green frog In Vermont, this species may or may not have dorsolateral ridges (folds of skin on each side of its back). Green Frog vs Mink Frog Green Frog (photo Gert Ewelt) Mink Frog (photo Mary Macaulay) Recently transformed juveniles of these two frogs can be confusing because they don’t always have the same colours and markings as the adults. This is because frog genitalia for both genders is housed within the frogs body.