by Heather Soulen
It’s that time of year when much of the mid-Atlantic is waking up from a long winter’s slumber. Flowers are blooming, trees are budding, ospreys and eagles are nesting, and frogs are calling. Right now, the Smithsonian Environmental Research Center (SERC) is alive with the sonic cacophony of a two amphibians. Spring peepers (Pseudacris crucifer) and American toads (Anaxyrus americanus, formerly Bufo americanus) are shouting mating anthems from every available pocket of water. If you live east of the Mississippi River from Canada to Florida, you’ve likely heard their calls. But which is which? We’ve collected a few sound bites around SERC to help identify each amphibian’s call.