He's not really gone. He's just camouflaged.
*
Although, for most frogs, this is quite normal. One notable exception is the African bullfrog. Of course in that species males are considerably larger than the females, so it makes sense that they'd be the ones to take care of the eggs and tadpoles.
Oh wow. Good eyes. I didn't even notice the second frog at first.
In that case, it's very likely the small frog is the guy, and the big one is the girl, and they'd be a couple, not parent and child.
*
Although, for most frogs, this is quite normal. One notable exception is the African bullfrog. Of course in that species males are considerably larger than the females, so it makes sense that they'd be the ones to take care of the eggs and tadpoles.
In that case, it's very likely the small frog is the guy, and the big one is the girl, and they'd be a couple, not parent and child.