Although the weather is still waffling between cold rains and sunny days, it is safe to say that Spring has officially arrived. The trees are green, birds are singing, and thunderstorms rumble across the sky. Signs of changing seasons are different depending on where you live, of course–for people close to a water source, one of the signs is surely the resounding chorus of frogs and toads.
A wonderful Backyard Safari reader recently sent in this video of an American toad (Bufo americanus) singing for a mate in his backyard. You can hear another toad singing nearby in the background. I love watching the way this toad’s throat fills with air with each trill.
In many species of frogs and toads, the individuals you hear singing are the males. They sing to attract mates. They make the sound by taking a breath and then pushing the air through the voice box and into a sac in the throat.
This website is specific for Michigan amphibian species, but it is one of the few sites I found that lets you listen to samples of different frog and toad songs. I’ve also heard that if you play the songs outside at night some frogs and toads will answer back if you are present. Sounds like a fun experiment to try!
Have you heard any amphibians calling in your backyard? What other signs of spring do you always count on? What tells you that warm weather is officially here to stay?
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