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Dr Daniel tells me that he has already discovered what he believes are 15 new species of dung beetles.

They have found that dung beetles' source of food is never at the same location, and consequently they have an extremely limited way of memorising environmental cues around the dung.

Here was something new and unusual for American audiences, invariably described as a “dung beetle” game or a “snowball simulator.”

Larger animals slough off DNA in skin, scales, and feathers, and researchers have also detected eDNA from mussels, sponges, dung beetles, spiderwebs, and even carnivorous plants, on land and in water.

In addition to the newly designated butterflies, Sauron has a namesake dinosaur, a dung beetle and a frog, according to the Natural History Museum.