About this Study
Frog Facts
Annual Cycle
Map of First Frog Song of Spring
Join Us in Spring 2020
Each spring, report the first singing frogs you hear. Help monitor frog populations and phenology by reporting the timing of this spring life cycle event.

Frog: Spring Peeper by USGS

  Photo: USGS
  The loud chorus of spring peepers (P. crucifer) is a welcome sign of spring.
(This is a Limited Coverage Species)