Wood frog (Rana sylvatica)
Among the many things that herald spring in Connecticut, one of our favorites is the "quork, quork, quork"
of wood frog males calling for mates.
Wood Frog
Rana sylvatica
Summary: Common in the beech-maple forests of northern Porter and LaPorte counties, where it is not unusual to see several per hour in the spring or fall; ...
Wood Frog
(Rana sylvatica)
DESCRIPTION: 1 3/8-3 1/4" (3.5-8.3 cm). Pink, tan, or dark brown, with prominent dark mask ending abruptly behind eardrum. Light stripe on upper jaw; sometimes light line down middle of back.
Wood Frog (Rana sylvatica)
Description: 1½" to 3¼" snout-vent length. Color brown, greenish, or yellowish gray, with lighter vertebral stripe. Dark mask from ear through eye to upper lip with white or whitish stripe below.
Wood frog - Rana sylvatica
Size: 2 - 2 3/4 inches (5.1-7 cm)
Voice: Often the first species heard calling in the spring. Their short chuckle is a harsh racket, racket, racket. A chorus sounds like the feeding call of the mallard.
Wood Frog
The Wood Frog (classified by scientists as Rana sylvatica) can be pink, tan, or even dark brown in color, but it is best identified by a black 'mask' around its eyes ending at the ears.
Wood frogs usually breed in temporary woodland pools. They are explosive breeders, gathering in large numbers for breeding frenzies that may last only a few days. The large, globular egg masses are usually attached to sticks or aquatic vegetation.
Wood frogs are one of Minnesota's earliest emerging herps. They emerge in late March or early April and begin breeding as soon as they reach the ponds. Often they are found calling in the open portions of ice covered marshes.
Wood Frog Behaviour
No observations regarding Wood Frog behavior have been submitted to the database yet.
Interesting Facts about Wood Frogs ...
Wood Frog (Rana sylvatica)
Photos by J.D. Willson unless otherwise noted ...
Wood Frog (Rana sylvatica)
DESCRIPTION: A brown or tan frog with a dark band ("robber's mask") through the eye and a white stripe on the upper lip. Small to medium - 2 to 21/2 inches long.
HABITAT: Woodlands, wooded swamps.
Wood frogs populations appear stable. The range appears to be expanding west into the prairie region. The biggest threat is forest fragmentation in developing areas.
Canadian Museum of Nature
Animal Diversity
Did You Know?
Australian Wood Frog
Sighting:
Garden of Red Mill House, Daintree, Queensland, Australia ...
Wood Frog
The earliest spring breeders in the Chicago Region are found in beech-maple or maple-basswood forests around the shores of Lake Michigan. Wood Frogs are small, ranging from 1 3/8 to 2 3/4 inches long (3.5 to 7 cm).
WOOD FROG
Rana sylvatica
INTRODUCTION
In Rhode Island, wood frogs are the harbingers of spring as they are typically the first species to arrive at the breeding ponds and begin their loud quacking mating call.
Wood Frog
Rana sylvatica
Return to Life List Index Return to Mike's Page ...
Wood Frog Rana sylvatica
The wood frog is brown, reddish brown or copper colored with a white belly. A distinguishing feature is a dark brown mask that stretches across its eyes.
Wood Frog
Lithobates sylvaticus
Statewide except Dukes and Nantucket counties.
Wood Frog Rana sylvatica photo by Jeff Humphries Listen to the call of the wood frog
Description: This species is distinguished by the dark mask extending from the eye through the tympanum to the shoulder.
Wood Frog (Lithobates sylvaticus)
Southern Leopard Frog (Lithobates s. utricularius)
Mountain Chorus Frog (Pseudacris brachyphona) ...
Wood Frog
Rana sylvatica
Photo by Scott Egan,
University of Rhode Island Dept. of Natural Resources ...
Wood Frog - Rana sylvatica
Description: 1 ½ - 3 1/8" (3.5-8 cm). Color varies from tan to pink. Defining feature of this species is the dark mask behind the eye that ends behind the tympanum.
Gray wood frog (Batrachyla leptopus)
The gray wood frog (Batrachyla leptopus) was discovered by Charles Darwin in the dense forests of Valdivia, Chile. It has a brown upper body... More 18 Images 0 videos ...
Wood Frog, Rana sylvatica
The Wood Frog is characterized by its prominent black "mask" extending from the tip of its snout through the eye and tympanum. The typanum, or tympanic membrane, can be called the frog's eardrum.
Wood frogs exemplify the first group of freeze-tolerant animals. As the temperature drops, these frogs produce an antifreeze, which allows them to control where and when ice forms.
Wood Frog
Rana sylvatica
Rare. Smallish. Tan with a distinctive black "mask" and light upper lip.
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Common Name: Wood Frog
Scientific Name: Rana sylvatica
Wisconsin Status: protected through regulations ...
Ranidae - True Frogs Bullfrog Pig Frog Green Frog Wood Frog Carpenter Frog Southern Leopard Frog Northern Leopard Frog Pickerel Frog River Frog Hylidae - Treefrogs and Allies Green Treefrog Pine Barrens Treefrog Squirrel Treefrog Pinewoods ...
Three of Minnesota's frogs, the gray tree frog, wood frog, and spring peeper, spend winters frozen (frogsicles), then thaw in spring. They replace water in their organs with a natural antifreeze that protects against icy damage.
Like a small version of the Wood Frog in habits, leaping power, and gross appearance
Breeding: ...
was found to have devoured three field mice and one Red Squirrel; and the stomach of an adult male collected by Godfrey near Baddeck on 13 July 1954 contained three Cinerous Shrews (Sorex cinereus), two Smoky Shrews (Sorex fumeus) and one Wood Frog ...
When overwintering in these microsites, four-toed salamanders may occur in groups, which may include other species such as spring peepers (Pseudacris crucifer), western chorus frogs (Pseudacris triseriata), wood frogs (Rana sylvatica cantabrigensis), ...
Wehrle's salamander (Plethodon wehrlei)
Weller's salamander (Plethodon welleri)
white-spotted slimy salamander (Plethodon cylindraceus)
wood frog (Rana sylvatica)
Yonahlossee salamander (Plethodon yonahlossee) ...
 See also: Spring Peeper, Peeper, Toad, Gray Treefrog, American Toad
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