Grey wolves infected with this parasite are more likely to become pack leaders, scientists say

Grey wolves infected with this parasite are more likely to become pack leaders, scientists say

Researchers studying grey wolf populations in Yellowstone National Park have discovered an intriguing reason why some wolves may be more inclined to become pack leaders. Grey wolves exposed to Toxoplasma gondii -- the parasite that causes the disease toxoplasmosis -- are more than 46 times more likely to become a pack leader than uninfected wolves, according to a study published Thursday in Communications Biology. The researchers analyzed behavioral and distribution data from 1995 to 2020 as well as blood samples …