A lot of things will lie to you in your life, but not poop. Close examination of animal scat will help you identify not only the species but how recently the animal was there, its sex, what it ate, ...

River otters are unequivocally cute. But their eating habits are not so adorable. Most animals—humans included—separate the place where they defecate from the place where they eat. But river otters ...

Climate change is melting away glaciers around the world, but in the Andes Mountains, a wild relative of the llama is helping local ecosystems adapt to these changes by dropping big piles of dung.