The spring peeper is a small chorus frog widespread throughout the eastern United States and Canada. They are so called because of their chirping call that marks the beginning of spring. There are two subspecies:
* The northern, ''P. c. crucifer'', found all over the eastern United States and eastern Canada.
* The southern, ''P. c. bartramiana''. The southern is distinguished by a strong dark marking on its belly. ''P. c. bartramiana'' is found along the southern Gulf Coast from southeastern.. more