"Minnesota Mystery: What’s Killing the Moose?"
"GRAND PORTAGE, Minn. — For moose, this year’s winter-long deep freeze across the Upper Midwest is truly ideal weather. The large, gangly creatures are adapted to deep snow: Their hollow fur insulates them like fiberglass does in a house. And the prolonged cold helps eradicate pests that prey on moose, like ticks and meningeal worm, or brain worm. Yet moose in Minnesota are dying at an alarming rate, and biologists are perplexed as to why."