Scientific research utilizes animal excrement to uncover new species and evolutionary traits

Scientific analysis of animal excrement, known as coprolites in fossilized contexts, is providing significant insights into biological history and biodiversity.

Researchers analyzing giant panda feces have identified a new fungal species named ‘Mucor melanoleucus’. While closely related to ‘M. saturninus’, phylogenetic analysis involving DNA and RNA sequencing confirmed it as a distinct species due to physical differences, such as smaller columellas and larger sporangiospores. This discovery highlights the potential for animal waste to reveal previously unidentified fungal diversity.

In the field of paleontology, fossilized dinosaur excrement found in the Hell Creek formation of Montana has yielded the first-ever discovery of well-preserved feathers from an extinct avian species. Using micro-CT scanning, scientists determined the feathers belonged to an aquatic bird from the hesperornithiformes group. The structure of the feathers, featuring air pockets, suggests they were lightweight and potentially water-repellent, similar to modern pelicans. This find may offer clues as to why certain avian ancestors survived the mass extinction event 66 million years ago while others did not.