It is capable of surviving the freezing of its internal body fluids to temperatures as low as -8 ☌ (17.6 ☏). The species can tolerate the freezing of some of its body fluids, and undergoes hibernation under logs or behind loose bark on trees. In the northern reaches of their range, spring peepers must frequently endure occasional periods of subfreezing temperatures during the breeding season. This amphibious species requires marshes, ponds, or swamp regions to support the aquatic environment the eggs and tadpoles need. Spring peepers live primarily in forests and regenerating woodlands near ephemeral or semipermanent wetlands. Only males have the ability to make this loud high-pitched noise, and they use it to attract mates. Located by its throat, this frog has a vocal sac that expands and deflates like a balloon to create a short and distinct peeping sound. All have a slightly pale yellow coloration on the inside of the thighs.
Females are lighter-colored, while males are slightly smaller and usually have dark throats. crucifer are mostly tan, brown, olive green, and gray. The species has large toe pads for climbing, although it is more at home amid the loose debris of the forest floor. They have a body length between less than 25 mm (0.98 in) to 38 mm (1.5 in) and a mass between 3 and 5 g (0.11 and 0.18 oz). Spring peepers are tan or brown with a dark cross that roughly forms an X on their dorsa (thus the Latin name crucifer, meaning cross-bearer ), though sometimes the marking may be indistinct. bartramiana is found along the southern Gulf Coast from southeastern Texas to northern Florida and southern Georgia. The southern is distinguished by a strong dark marking on its belly.
crucifer, found all over the eastern United States and eastern Canada. There are currently two subspecies recognized although detailed genetic and behavioral analysis demonstrates they likely are not biologically real: They are so called because of their chirping call that marks the beginning of spring.
The spring peeper ( Pseudacris crucifer) is a small chorus frog widespread throughout the eastern United States and Canada.
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