those 47 years, 157 counts were conducted at 4 locations: Berrien Springs (47 counts: 1961-2007), Coloma (36: 1972-2007), New Buffalo (29: 1969-1975 & 1986-2007), and Niles (45: 1961-1978 & 1981-2007). That effort resulted in 10,588 encounters (i.e., an encounter entails the detection of one species, regardless of the number of individuals,