Click on your frog...the stats should come up. Click on BREED. Then you should see all the little pictures of frogs. Click one and it'll give you all the possible frogs you can give birth to. Choose...
After you have tamed your frog in the pond ( by catching flies) you tap on your frog and on the bottom where it says breed and pond, there is a button that says race ( it has a flag on it ).----Just...