Table 1.

The percentage of ants in the diet, and the means and standard deviations for all morphological measurements

	C. draconoides	P. asio	P. braconnieri	P. cornutum	P. coronatum	P. ditmarsi	P. hernandesi	P. mcallii
% Ants	5	31	49	61	45	11	41	78
Snout‐vent length	72.46 ± 2.53	90.73 ± 17.69	53.79	91.76 ± 1.18	77.17 ± 9.67	77.59	69.69 ± 16.90	75.70 ± 0.51
Head length	15.27 ± 0.03	19.61 ± 3.65	14.36	19.49 ± 0.69	16.96 ± 2.21	18.81	15.41 ± 1.75	16.30 ± 0.65
Head height	8.69 ± 0.35	15.15 ± 2.59	12.80	17.05 ± 1.18	14.18 ± 1.33	16.86	13.17 ± 1.07	11.38 ± 0.49
Head width	12.21 ± 0.01	21.91 ± 3.80	17.89	20.28 ± 1.02	19.04 ± 1.96	24.57	16.83 ± 5.55	16.48 ± 0.42
Mandible length	15.28 ± 0.90	18.27 ± 4.26	12.86	16.37 ± 1.78	14.04 ± 1.08	19.13	15.17 ± 1.76	11.49 ± 0.56
Articular‐coronoid	4.83 ± 0.16	6.75 ± 1.72	4.58	6.86 ± 0.42	4.86 ± 0.30	7.34	5.24 ± 0.62	3.55 ± 0.08
Anterior dentary height	0.36 ± 0.04	0.83 ± 0.30	0.41	0.75 ± 0.13	0.59 ± 0.15	0.91	0.52 ± 0.07	0.64 ± 0.13
Posterior dentary height	1.94 ± 0.09	3.28 ± 0.61	2.07	3.08 ± 0.17	2.17 ± 0.27	4.62	2.59 ± 0.62	1.52 ± 0.14
Coronoid height	2.71 ± 0.10	4.01 ± 0.99	1.66	3.16 ± 0.10	2.67 ± 0.30	4.70	3.31 ± 0.45	1.64 ± 0.14
Tooth row length	7.47 ± 0.45	8.81 ± 1.66	5.77	8.25 ± 0.47	6.92 ± 1.05	8.91	7.88 ± 1.18	5.29 ± 0.19
Tooth number	21.67 ± 1.53	19.50 ± 0.71	20.00	19.00 ± 1.00	20.00 ± 1.73	24.00	16.33 ± 1.53	14.67 ± 2.08
In vivo bite force (N)	4.02 ± 1.51			8.03 ± 1.11			8.68 ± 3.79	3.15 ± 0.62

	P. modestum	P. orbiculare	P. platyrhinos	P. solare	P. taurus	S. magister	U. notata
% Ants	66	41	56	89	56	23	20
Snout‐vent length	56.29 ± 2.26	76.31 ± 7.93	73.19 ± 0.52	96.56 ± 3.86	74.06	100.0	95.34 ± 9.97
Head length	12.57 ± 0.38	17.85 ± 1.21	16.90 ± 0.77	24.86 ± 1.00	15.52	21.75	16.93 ± 1.47
Head height	10.05 ± 0.22	15.45 ± 1.63	13.50 ± 0.01	15.84 ± 1.16	13.46	14.60	11.61 ± 0.93
Head width	15.92 ± 0.74	20.41 ± 1.96	19.24 ± 0.09	23.20 ± 1.65	19.68	20.51	15.67 ± 0.15
Mandible length	10.85 ± 0.72	16.36 ± 0.51	13.93 ± 0.49	16.45 ± 0.63	15.94	21.86	19.18 ± 2.39
Articular‐coronoid	3.55 ± 0.30	5.98 ± 0.49	4.47 ± 0.20	5.57 ± 0.28	6.03	7.09	6.65 ± 0.64
Anterior dentary height	0.48 ± 0.05	0.54 ± 0.05	0.67 ± 0.01	0.58 ± 0.05	0.58	0.85	0.54 ± 0.01
Posterior dentary height	1.19 ± 0.11	2.90 ± 0.23	1.83 ± 0.16	1.85 ± 0.10	2.62	3.57	2.56 ± 0.23
Coronoid height	1.54 ± 0.10	3.23 ± 0.08	2.09 ± 0.33	2.32 ± 0.09	3.08	4.72	3.70 ± 0.53
Tooth row length	4.96 ± 0.71	8.18 ± 0.59	6.33 ± 0.34	7.46 ± 0.39	7.83	11.28	9.45 ± 1.01
Tooth number	18.00 ± 2.65	19.00 ± 1.00	17.00 ± 1.41	16.00 ± 2.00	19.00	21.00	19.33 ± 0.58
In vivo bite force (N)	2.53 ± 1.15		2.94 ± 0.94	3.68 ± 1.81		18.07 ± 11.69	7.16 ± 3.73

Values are based on the individuals dissected in this study, except for the in vivo bite forces, which are based on field‐caught adult individuals. All linear measurements are in mm.