When grizzly bears clamber onto the talus slopes high in Glacier National Park, they're searching for an abundant, fatty meal: army cutworm moths. The inch-long (2. 5-centimeter-long) moths hatch on the Great Plains and fly en masse to escape the heat in the stony upper reaches of the Rocky Moun...
Source: [Phys.org](https://phys.org/news/2026-07-amazing-moths-insect-habitat-grizzlies.html)