This is a little tree frog that lives in our umbrella stand. Our neighborhood seems to be a habitat for a lot of them. At night when the weather is just right they call to each other. They are all around or neighborhood, and the sound they make is not only distinctive but its at a pretty crazy volume as well. On a good night its almost deafening as dozens of them call across the trees to each other.
They are mostly nocturnal, but every once in a while we'll catch him out of the umbrella stand in the flowers or on the side of the house. He's about an inch and a half long and changes color, so he's often hard to spot.