Beaver Attacks

Notable incidents, research, and resources on beaver behavior and attacks

Beaver Attack (Wikipedia)

A comprehensive overview of documented beaver attacks on humans, covering behavior, causes, and notable incidents from around the world.

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“Lucky to Be Alive” — Greenfield Man Mauled by Beaver

A 73-year-old man from Greenfield, MA describes being mauled by a beaver while swimming in a Franklin County pond in 2021 — a harrowing reminder that beavers can be dangerous when threatened.

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“One Heck of a Rabid 55-Pound” Beaver Attack

A news report covering a shocking encounter with a large rabid beaver, highlighting the risks of rabies transmission and the surprising aggression beavers can display.

Read on Yahoo News →

How Beavers Work — HowStuffWorks

An in-depth look at beaver biology, behavior, and habitat. Understanding how beavers think and act is key to staying safe and coexisting with them in the wild.

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Reported Wilderness Incidents

Sighting Log & Active Danger Zones Across North America


Massachusetts

The Greenfield Pond Ambush

A 73-year-old swimmer was suddenly surrounded and heavily mauled by an aggressive 55-pound territorial beaver before escaping to shore.

⚠ CRITICAL THREAT

Canada (Deep Woods)

The Remote River Encirclement

Anglers trapped along a narrow stream bank when a nesting pair defended their lodge, showcasing calculated structural cutoff tactics.

⚠ HIGH RISK

New York State

The Rabid Creek Surge

An unusually large, aggressive rodent charged hikers near water edges without provocation. Classic silent predator behaviour.

⚠ ACTIVE WATCH

Middle America Beaver Threat Map - Attacks & Hotspots
Legend of the Great Chomp: Beaver Habitat and Territories