Behaviours to avoid parasites and pathogens...
"Sometimes in scats the leaves are even seen wrapped around worms that have been expelled"....
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6000140/
Leaf swallowing and parasitic infection of...
"Leaf swallowing as a form of self-medicative behavior is widely documented in African great ape species (gorillas, Gorilla gorilla; chimpanzees, Pan troglodytes; and bonobos, Pan paniscus) at multiple sites across Africa"...
https://link.springer.com/article/10.1186/1810-522X-52-22
"Sometimes in scats the leaves are even seen wrapped around worms that have been expelled"....
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6000140/
Leaf swallowing and parasitic infection of...
"Leaf swallowing as a form of self-medicative behavior is widely documented in African great ape species (gorillas, Gorilla gorilla; chimpanzees, Pan troglodytes; and bonobos, Pan paniscus) at multiple sites across Africa"...
https://link.springer.com/article/10.1186/1810-522X-52-22