Table 1. Model comparisons for functional relationship between percent canopy cover and the standard deviation of positional error for stationary GPS collars, Spafford Township, NY.

Model		AIC	ΔAIC	ωi
Logistic	SDcanopy = b+(max-b)/(1+exp(a*(m-canopy)))	24.45	0	0.71
Linear	SDcanopy = b+a * canopy	27.01	2.56	0.20
Power	SDcanopy = b+a * (canopyp)	28.48	4.03	0.09
Constant	SDcanopy = b	45.18	20.73	0.00