Close up view of an adult male mountain goat in late-winter, near Juneau Icefield, Alaska. In the background, steep avalanche prone slopes are visible.
Scientists know a lot about goats’ relationship with snow. Heavy snowfall can bury food or make it more difficult for goats to move around, which can have a negative effect on survival. He spent countless hours hovering above mountainsides in helicopters and small planes, where he first targeted goats from a distance with tranquilizers before fitting them with a GPS collar.
According to University of Alaska Southeast snow scientist Eran Hood, a co-author on the study, the new research also revealed a surprising coincidence. Avalanche-prone slopes are usually between 30 and 45 degrees — shallow enough for snow to accumulate, but steep enough for gravity to eventually pull it down.
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