I noticed that sometimes when I breed two frogs I get a different (third) breed out of it. I've started to take notes to see which combinations get you what. Anyone else doing that and willing to s...
Put two ( or more) frogs into your inventory. Click on one and select the "Breed" option. You will get a list of all the other frogs in your inventory as possible partners. Select one and you will get a new frog.