One morning in late August, while she was eating breakfast, two bears appeared in Hazel Englund’s yard, searching for food scraps in the compost.

It was just a month before Englund’s 100th birthday, and if she were younger, she would have gone for her gun.

“She just banged on the window and yelled at them,” said Englund’s daughter, Emily Zimbrich. Her mother had been shooting at bears well into her 90s, Zimbrich said. But even…