An experienced Montana outdoorsman had bear spray but was attacked and killed by a grizzly bear near Yellowstone Park on 15 April 2021.
A paper published in the Journal of Wildlife Management shows and quantifies several of the limitations of bear spray in cold or windy conditions.
A bear spray failure resulting in a fatality has occurred in Alaska. If the same criteria is applied to bear spray as was applied to firearms, the death was clearly a bear spray failure.
A Canadian mother was attacked and killed by a black bear, in a surprise predatory attack. Bear spay failed to drive off the bear. Her husband shot and killed the animal.
The authorities in Svalbard, Norway, require adequate firearms for protection against polar bear attacks. They do not consider bear spray to be adequate protection.
Two pairs of archery hunters were attacked by a bear or bears in Montana on September 16. One pair used pistols, the other, bear spray. Both defenses were successful.
Ashley Gribble used bear spray, but it did not stop the predatory black bear from attacking her dog. She used an improvised club to stop the attack on her dog.
The Idaho Fish and Game Commission decided not to mandate the carry of bear spray by hunters. It was the right decision. Bear spray has not been shown to be more effective than firearms.
Many sources on the Internet claim that bear spray is more effective than firearms in stopping bear attacks. There is not objective proof of this claim. Here are nine cases where both were used.
When comparing the efficacy of bear spray and firearms in stopping bear attacks, only instances where the bear spray is sprayed or the firearm fired, should be included.
Details about the fatal bear spray failure in the Wyoming grizzly attack on Mark Uptain and Corey Chubon. The Glock pistol at the packs did not belong to Chubon, who could not get it to fire.
The Mark Uptain/ Corey Chubon grizzly bear attack in Wyoming appears to have involved a fatal bear spray failure.