Why moose need to shed their antlers

A viral video of a moose shaking free its antlers raises the question of why the animals need such heavy headgear.

Why did the moose lose its antlers?

It’s not the setup to a joke, but a question people all over the world are asking after a doorbell camera in Alaska caught the precise moment a moose wandered into view, shook off its rack, and then, seemingly frightened by the sudden event, ran off into the night.

Moose are the world’s largest deer species, with males capable of standing more than six feet at the shoulder and weighing up to 1,800 pounds, with antlers tipping the scales at 80 pounds.

“As far as being in the presence of moose, typically, it's a little sketchy,” says Landon Magee, a wildlife biologist at the University of Montana and a member

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