Sounds like he's settling in pretty well. I'm glad he ate for you, John. He's not driving you up the wall, is he? One of them is cool to listen to when it sings, but when you have a back yard that borders on a body of water....
I love to hear gray treefrogs chorus. I miss mine. I had a pair last year that I caught. I ended up giving them away to make room for more "exotic" types and have missed them ever since. They were the coolest.