What if we told you that a tiny parasite might be influencing the very core of wolf behaviour, making these fierce predators act in ways contrary to their survival instincts?

Enter Toxoplasma Gondii, the unseen puppeteer.

Kira Cassidy, a leading research biologist from the Yellowstone Wolf Project - who has delved deep into the mysteries of this parasite and its staggering effects not just on wolves, but possibly on us humans as well - joins Jonathan to discuss.