Four plastic coyotes appeared on Briggs Field yesterday. Some speculate that they are intended to discourage geese from landing and defecating on the grass. Minh Phan—The Tech May. 9, 2016 Facebook Twitter Reddit Print Four plastic coyotes appeared on Briggs Field yesterday. Some speculate that they are intended to discourage geese from landing and defecating on the grass. Minh Phan—The Tech