A group of people visiting Yellowstone National Park's Lamar Valley were left with a hefty repair bill as a souvenir after one of the park's bison rammed their car, tearing a huge hole in the bonnet with its horns.
The visitors were waiting in stationary traffic while a herd of bison moved across the road, One of the car's occupants decided to record the animals passing close by, and captured the moment one large bull went on the attack.
The video, which you can watch below, was recorded during the bison rut, which takes place from late summer to early fall, but has begun recirculating this week after being shared on Instagram account TouronsOfYellowstone. As the name suggests, this account usually features examples of bad behavior at US National Parks (often involving wildlife), but this time the visitors were just unlucky.
Wildlife watching
The National Park Service (NPS) warns visitors that the safest place to view wildlife is from your car. Always stay at least 25 yards (23 meters) from bison and elk, and never approach or deliberately disturb them.
Although they prefer to avoid close encounters with humans, and will usually be first to leave the area, bison are wild animals and can be unpredictable. Males can be particularly aggressive during the rut, while females are fiercely protective of their calves in the spring.
For advice on how to enjoy watching animals safely, see our guides wildlife safety: eight tips for unexpected encounters and how to avoid being gored by a bison.
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