There was also dung beetles :https://www.csiro.au/en/research/animals/livestock/dung-beetles https://www.csiro.au/en/research/animals/livestock/dung-beet... Wh

There was also dung beetles :https://www.csiro.au/en/research/animals/livestock/dung-beetles https://www.csiro.au/en/research/animals/livestock/dung-beet... Which by most peoples measure, was a success. I don't agree with this "Swallowed a spider to catch the fly" approach though.