Quick Take
- A seasoned wildlife expert sat feet from a wild bear and still missed the warning signs. Find out what he overlooked. See what he missed →
- Bears have a specific body language signal that tells you they're about to act, but most people can't read it in time. Watch the warning signs →
- Lily's bite wasn't meant to injure, and understanding the difference between a warning and an attack could save your life. Understand Lily's warning bite →
- American black bears look slow and lumbering, but their true physical capabilities would surprise most people. See their true capabilities →
Wildlife filmmaker Gordon Buchanan was enjoying the kind of close encounter most people could only dream about. Sitting just feet from a wild black bear named Lily and her cub, Hope, he watched the young bear approach while her mother remained nearby. Everything seemed remarkably calm. Then Lily suddenly reached down and grabbed Buchanan’s leg with her teeth.
The startling moment, captured for the BBC documentary The Bear Family and Me, shows how quickly an encounter with a wild animal can change. Buchanan had spent time observing the bears and was familiar with their behavior, but even that experience couldn’t prevent him from missing a warning. Fortunately, Lily’s reaction was brief, and the filmmaker was able to back away without the encounter escalating into a serious attack.
Watch the Mother Bear Give the Filmmaker a Warning Bite
In the footage, Buchanan sits close to Lily and Hope as the young cub approaches him. He’s clearly fascinated by the experience, speaking softly as Hope comes nearer. But while his attention is on the cub, Lily makes a sudden move toward his leg.
Buchanan reacts with surprise as the bear catches his leg in her mouth. He initially says he’s been bitten, then quickly clarifies that he considers the contact a warning rather than a serious bite. He realizes he had been concentrating on Hope instead of watching Lily’s behavior.
Rather than panicking or attempting to run, Buchanan speaks calmly and gradually gets to his feet. He notices Lily smacking her lips, which he interprets as a sign of nervousness, and carefully backs away. Looking back on the encounter, he acknowledges that the mother bear had been giving him signals that he needed to leave her alone.
Why Would a Mother Black Bear Bite Someone?
Mother bears are protective of their cubs, although that doesn’t mean every encounter with a female bear and her young will result in aggression. In Lily’s case, the contact appears to have been a warning intended to create distance rather than an attempt to seriously injure Buchanan.
Bears communicate through body language, vocalizations, and other behaviors. Huffing, jaw snapping, changes in posture, and certain facial movements can indicate agitation or discomfort. The problem is that humans don’t always recognize those signals, especially when they’re distracted by something as captivating as a curious bear cub.
The National Park Service advises visitors never to approach a bear or its cubs and to give the animals plenty of space. Hand-feeding bears is also dangerous because it can teach them to associate people with food, increasing the risk of future conflicts.
How Big and Powerful Are American Black Bears?

American black bears are powerful animals capable of running at speeds approaching 35 miles per hour.
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American black bears (Ursus americanus) are the most widely distributed bear species in North America. Adult males are generally larger than females, and body weight varies considerably depending on the animal’s age, habitat, season, and access to food. Large males can weigh several hundred pounds, while females are typically smaller.
Despite their bulky appearance, black bears are surprisingly athletic. They can run at speeds approaching 35 miles per hour, climb trees, and swim. Their powerful jaws and claws help them obtain food and navigate their environment, but those same physical abilities make close encounters potentially dangerous for humans.
Buchanan’s encounter with Lily offers a fascinating glimpse into bear behavior, but it also delivers a reminder worth taking seriously. A wild animal doesn’t have to launch a full attack to make its boundaries perfectly clear. Sometimes a brief warning is all it takes, and in this case, Buchanan was fortunate enough to recognize it before things got worse.