A reticulated giraffe selects a mouthful of a Hibiscus plant at the Mpala Research Centre in central Kenya. The researchers analyzed plant DNA in animal fecal samples to quantify the diet composition for 33 herbivore species.

https://www.princeton.edu/news/2019/11/08/study-african-animals-illuminates-links-between-environment-diet-and-gut-microbiome