Table 1. Foraging patterns for sponging and TDPD females.

Variable	Sponge-Carrier Mean±SE	TDPD Mean±SE	Z- or t Score	p-value
% of time spent foraging	47.2±4.77	35.84±5.24	−1.59	0.110
Duration of foraging bouts (min)	8.50±1.02	9.59±1.26	−0.75	0.446
Mean dive duration (min)	1.58±0.07	1.64±0.11	−1.00	0.316
% of tail-out dives during foraging	83.47±3.43	65.44±5.17	−2.71	0.007
% time in predominant foraging method	45.08±4.91	26.77±5.08	−2.57	0.010
% of foraging time devoted to primary foraging type	96.00±2.05	35.84±4.91	−2.41	0.016
% of bouts devoted to primary foraging type	93.89±2.65	78.09±5.97	−2.19	0.028
% time in deep water when not foraging	93.40±2.44	57.38±7.78	−3.84	<0.001

The last five variables in the table show the degree of specialization exhibited by sponger relative to TDPD females.