It might sound simpler to use a scale to weigh bears, but it's impractical in the wild, where it might get chewed on.
Cusick was taking a break from work, standing on a platform along the Brooks River in Alaska's Katmai National Park and Preserve — a world-famous spot for bear watching, as the giant mammals like to wade in the water to hang out and catch fish. Otis was a few hundred feet away, standing relatively still.A 3-D model of a bear known as Walker shown next to a picture of the bear at Katmai National Park and Preserve's Brooks Falls.
"A huge, huge upside of this method is it's noninvasive; we don't have to capture animals," said Lindsey Mangipane, an Anchorage-based polar bear biologist for the US Fish and Wildlife Service."It's a lot less logistically challenging for us as well."Estimating a bear's weight with lidar is much less disruptive, though it's still very much a complicated guessing game.
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