
Originally Posted by
UncleChester
The bullfrog can't breed with the toads.
Has your male bullfrog been calling? He may have enticed a lady bullfrog to visit your pond for a little late night action, so it's not necessary for their to be a resident female.
Bullfrogs can lay thousands of eggs at a time and their appearance is consistent with the eggs you have. This isn't to say they couldn't be another type of frog. You could look into the other inhabitants in your area and investigate their egg-laying habits to find other candidates.