A group of campers in California's Sierra Nevada mountains recently witnessed an extraordinary event: an aquatic garter snake catching and swallowing a brown trout that appeared significantly larger than its own head.

Wild footage captured by Instagram user Madelin Woods shows the snake dragging the struggling trout out of the water. The dark-colored serpent was seen with the fish clamped in its jaws, its body stretched across a rocky shoreline. The trout's body was visibly thicker than the snake's head.

Woods and her companions observed the snake for about an hour as it maneuvered the supersized meal. "Over the course of an hour, we watched as he struggled with half the fish in his mouth, retreating and repositioning a couple times," Woods stated in a social media post accompanying the images. The campers eventually left the scene to have lunch, and upon their return, found the snake had consumed the entire fish and retreated into the water.

A campground employee expressed astonishment, stating they had never seen such an event or a fish of that size in the area.

Aquatic garter snakes are known for their swimming and hunting abilities, often pursuing prey underwater. Their diet typically includes rodents, birds, amphibians, invertebrates, and fish, according to the University of Nevada, Reno.