They’re calling! Have you heard it? I’ve heard it, the chorus of tiny voices trilling from the woodland edges near my home. Every year as the snow melts, I hold my breath each time I step outside and strain my ears to catch their magical announcement on the wind: spring is here at last. Chorus frogs, though less well-known by name than spring peepers (even if they are likely to be more frequently heard) are usually the first frogs to begin calling in the spring. Their call is