Barking ferociously at the unwanted visitor who had come to check their master's boat for food scraps, the labrador and akita stood guard on the dock until the bear left.
Neither the dogs nor the bear were harmed during the incident, which took place at a fishing camp on the shore of Kurile Lake, in Kamchatka, Russia.
All the same, those pups must be barking mad...
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"And don't come back!"