A few animals take "reduce, reuse, recycle" to the next level. It's a good thing, too: Someone needs to help clean up the mess that so many humans leave behind.

Recycling human, animal excreta reduces need for fertilizers. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2024 / 12 / 241211124514.htm. Cornell University.

Recycling human, animal excreta reduces need for fertilizers. Cornell University. Journal Nature Sustainability DOI 10.1038/s41893-024-01467-8. Keywords ...