Table 3.

Ranges of prey size and associated least squares regression statistics (±95%CL) for the scaling equations of log-transformed values of prey mass (g) as a function of prey cross-sectional area (cm²).

Prey species	n	mass (g)	diam (cm)	area (cm2)	slope	intercept	R 2
rat	21	6.6–650	1.4–5.8	1.4–26.0	1.534 ± 0.093	0.675 ± 0.081	0.984
rabbit	17	237–4472	4.2–11.7	14–117	1.405 ± 0.072	0.772 ± 0.124	0.991
raccoon	8	2110–6980	8.5–15.2	56–181	1.039 ± 0.227	1.542 ± 0.447	0.954
chicken	13	41–2720	2.8–12.7	6.6–147	1.404 ± 0.048	0.398 ± 0.077	0.997
iguana	21	26–4810	1.8–11.2	2.4–98.5	1.381 ± 0.039	0.926 ± 0.052	0.996
alligator	11	190–26,600	3.6–19.2	10–289	1.445 ± 0.097	0.865 ± 0.188	0.996
deer*	9	2750–58,600	10.9–35.6 (H) 7.6–29.9 (W)	65–804	1.156 ± 0.397	1.469 ± 1.040	0.872

All P-values for the test of the overall significance of the regression were less than 10^–3. *Area calculated for an ellipse using height (H) and width (W) as the major and minor axes. See Table S3 for ANCOVA results comparing species.