Pollywogs In the Pond

I just finished ressurecting my pond from the dead, as Katrina did a number on it. It had a ton of debris like asbestos shingles in it. As a reward for my work (emptying out tons of rocks and scrubbing it with a brush, replacing rock and all), a frog decided to help me out with mosquito control and left some eggs. They are now officially pollywogs:


I think I want to track development.
You know, they eat each other. There are hundreds in there now. I wonder how many will make it to the finals?