There are two types of tree frogs in my corner of North Georgia: the American gray tree frog and Cope’s gray tree frog. The only way to tell them apart is by the sound of their voices. Apparently, they are identical in appearance although I’ve never seen either one. But in the summertime, we can certainly hear them even if all the doors and windows are closed tight. When we moved to Georgia some years ago my daughter, who was born in a Midwestern city and had never heard tree frogs before, could not sleep because of all the noise. To me, the “noise” is like a lullaby from my childhood.
When I stepped out on my front porch a few minutes ago, this is what I heard:
(Note: When this finishes playing, apparently Soundcloud lets you listen to some additional music that I and others uploaded. I don’t know how to embed Soundcloud without it doing this.)