Many studies need to be done regarding living with parasites- here is one from France:
https://www.france24.com/en/live-news/20221125-wolves-emboldened-by-parasite-more-likely-to-lead-pack-study
Wolves emboldened by parasite more likely to lead pack: study
Wolves infected with a common parasite are far more likely to become the leader of their pack, according to a new study, suggesting that the brain-dwelling intruder emboldens its host to take more risks.
https://www.france24.com/en/live-news/20221125-wolves-emboldened-by-parasite-more-likely-to-lead-pack-study
