I’m waddling here! I’m waddling here! A family of Canada geese were escorted by police across the Holland Tunnel — but a few honking-mad drivers weren’t taken in by the adorable caught-on-video scene.

While most people think of dogs when it comes to guarding animals, geese are surprisingly effective protectors. Loud, alert, loyal, and tough, these reliable, feathered sentries are essentially nature ...