A lone wolf in Switzerland has surprised wildlife researchers after making a journey that seemed almost impossible. Tracked through a GPS collar, the wolf known as M637 crossed Lake Lucerne by swimming through freezing water, giving scientists a rare look at how wolves navigate modern landscapes. The unusual movement was recorded in February 2026 and has become a remarkable example of how technology can reveal hidden animal behavior.
The discovery has raised new questions about how far wolves will go when searching for territory, food, and a place to settle.