Wood Frog
(Rana
sylvatica) |
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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. Dorsolateral ridges prominent.
Dark blotch on chest near base of each front leg. Belly white,
may have dark mottling. Toes not fully webbed; male has swollen
thumbs.
RANGE: Widespread throughout northern North
America
HABITAT: Moist woodlands in eastern areas; open grasslands
in western; tundra in the far north. They breed as early as
January before ice has completely melted off ponds and are
usually finished before mid-April. Breeding takes place in a
variety of habitats including road ruts, ditches, seasonal
ponds, woodland ponds and surface mine impoundments.
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