Watch a Big Cat Invade a Sheep Pen

Few have seen big cats hunt at night because, well, they’re very good at not being seen.

But their nemeses — guard dogs — have never needed to turn on the lights to sound the alarm.

Here’s a late-night encounter in a paddock in Patagonia between a slumbering flock, an intruding puma, and two trusty sheep dogs. And Bertie Gregory captured it all on a night vision setup for National Geographic.

It’s a spy film in part. Darkened vans and shady personnel set the scene.

The show gets underway when the feline starts its prowl. There’s a climactic moment when, exactly like a housecat, it lifts a slack paw while measuring a jump. Then it pounces over the fence with a motion that looks like liquid.

But its infiltration is truncated. Right away, the two sleeping dogs stir, and chase the cat.

The tension breaks easily, but it’s a pregnant moment — and a novel glimpse of a nocturnal apex predator on the hunt.

Sam Anderson

Sam Anderson takes any writing assignments he can talk his way into while intermittently traveling the American West and Mexico in search of margaritas — er, adventure. He parlayed a decade of roving trade work into a life of fair-weather rock climbing and truck dwelling before (to his parents’ evident relief) finding a way to put his BA in English to use. Sam loves animals, sleeping outdoors, campfire refreshments and a good story.