🐻 How to Survive a Bear Attack

Part of the LeonLink "How to Survive" series. Updated Oct 26, 2026. Bracketed numbers point to the sources at the bottom. For general education only, not medical advice.

Bear attacks are rare, but the right response depends on the species and on what the bear is doing. Get it backwards and it can be fatal. Here's what peer-reviewed studies found.

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Know your bear

Grizzly/brown bears have a shoulder hump and short, round ears. Black bears have no hump and taller ears. Most fatal black bear attacks from 1900 to 2009 were predatory, by lone adult males [1]. Most brown bear attacks are defensive: a surprise encounter, or a mother with cubs [4].

Prevent it

Make noise in thick cover, hike in a group, keep dogs leashed, and store food in bear-resistant containers. Stay at least 100 yards away from any bear [5].

Carry bear spray

In Alaska, bear spray stopped the bear's behavior in 92% of brown bear incidents, and 98% of the people who used it weren't hurt [2]. Firearms were less reliable [3]. Carry it in a holster and spray a cloud at 30–60 feet.

If a bear attacks

Defensive grizzly: lie flat on your stomach with your hands behind your neck and your pack on, and stay still [5]. Black bear, or a bear that stalks you: fight back and aim for the face [1][5]. Never run.

Your prep checklist

Quick quiz: would you survive?

A surprised grizzly makes contact. What do you do?

A black bear stalks you, then attacks. What do you do?

Gear that matches this guide

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Bear spray with holster →Bear-resistant canister →Wilderness first-aid kit →

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Sources

  1. Herrero S, et al. Fatal attacks by American black bear on people: 1900–2009. J Wildl Manage. 2011;75(3):596–603. https://doi.org/10.1002/jwmg.72
  2. Smith TS, et al. Efficacy of bear deterrent spray in Alaska. J Wildl Manage. 2008;72(3):640–645. https://doi.org/10.2193/2006-452
  3. Smith TS, et al. Efficacy of firearms for bear deterrence in Alaska. J Wildl Manage. 2012;76(5):1021–1027. https://doi.org/10.1002/jwmg.342
  4. Bombieri G, et al. Brown bear attacks on humans: a worldwide perspective. Sci Rep. 2019;9:8573. https://doi.org/10.1038/s41598-019-44341-w
  5. U.S. National Park Service. Staying Safe Around Bears. https://www.nps.gov/subjects/bears/safety.htm