Seriously, counting moths in scat contributed to the estimate:
White made that estimation by watching grizzlies with a scope for up to 14 hours per day, while writing his dissertation on the animals at Montana State University-Bozeman. He also counted how many dead moths he could find in each bear “scat,” or pile of poo, and multiplied that by the number of times these bears defecated.
White made that estimation by watching grizzlies with a scope for up to 14 hours per day, while writing his dissertation on the animals at Montana State University-Bozeman. He also counted how many dead moths he could find in each bear “scat,” or pile of poo, and multiplied that by the number of times these bears defecated.
http://www.newsweek.com/grizzly-bears-can-eat-40000-moths-da...