About this Study
Frog Facts
Annual Cycle
Map of First Frog Song of Spring
Please Report Singing Frogs!
Citizen scientists are invited to report the first singing frogs of spring. 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)