"When 100,000 geese move in for a season, they can bring a variety of problems. Poop is one of them. Snow geese poop about once every five minutes" A bit long but I learned things. If nothing else, worth clicking through simply to skim through the pictures.

Washington’s Runaway Snow Geese - bioGraphic
Mae West said too much of a good thing is wonderful. But she’d never seen the beautiful, marauding snow geese that swoop in each fall to take over Washington State’s Skagit Valley.
biographic.com
