New frog lover saying hello

[katrinaspooks]

Hi all,
I've had a grey tree frog for a year now named Sticky (Mr. Sticky Fingers). He has been a great pet for entertaining my family and has grown and thrived. Although I don't actually think it's a "him" anymore, because he doesn't sing. Trying to get some tips for introducing a new grey to the vive. I hope Sticky doesn't think the little new frog is food! Any suggestions are welcome!