Table 2 Spearman’s rho correlation between body size and acoustic variables (mean per individual): coefficients and significance levels.

From: Formants provide honest acoustic cues to body size in American alligators

acoustic variable subjects location n rho P
F1F2 all water 37 −0.871 <0.001 ***
land 35 −0.918 <0.001 ***
females water 9 −0.820 0.007 **
land 13 −0.739 0.006 **
males water 28 −0.747 <0.001 ***
land 23 −0.755 <0.001 ***
DF all water 37 0.007 0.967  
land 35 −0.373 0.027 *
females water 9 0.021 0.957  
land 13 −0.567 0.054  
males water 28 0.095 0.632  
land 23 −0.237 0.275  
  1. F1F2 = Spacing between 1st and 2nd formant, DF = Dominant frequency.