Table 1. Summary of morphological and bite performance data for male (M) and female (F) dwarf chameleons used in this study, grouped by phenotypic form.

	B. melanocephalum		Type A		B. thamnobates		Type B
	M	F	M	F	M	F	M	F
Morphology
N	25	16	19	23	20	25	15	12
SVL (mm)	49.14	57.47	48.23	45.34	60.00	66.42	68.97	77.49
	(0.88)	(0.95)	(1.68)	(1.37)	(3.27)	(3.32)	(1.20)	(1.98)
Non-ornamented
LJL (mm)	11.55	11.05	13.27	14.29	14.39	13.56	11.06	11.65
	(0.84)	(0.86)	(3.15)	(2.29)	(3.19)	(3.06)	(2.27)	(2.56)
HL (mm)	11.68	11.23	13.08	13.96	14.47	14.17	11.12	12.72
	(0.72)	(0.85)	(2.41)	(2.18)	(2.56)	(2.76)	(1.89)	(2.60)
HH (mm)	6.98	6.89	8.44	9.08	9.00	8.73	6.81	7.42
	(0.67)	(0.47)	(2.24)	(1.65)	(1.96)	(2.10)	(1.41)	(1.45)
HW (mm)	7.54	7.33	9.28	9.87	10.41	9.84	7.51	7.87
	(0.48)	(0.59)	(2.59)	(2.10)	(2.50)	(2.60)	(1.19)	(1.71)
CT (mm)	9.05	8.82	10.22	10.94	10.84	10.57	8.48	9.07
	(0.67)	(0.80)	(2.29)	(1.71)	(2.32)	(2.41)	(1.44)	(1.64)
QT (mm)	10.29	9.79	11.82	12.50	13.08	12.18	9.51	10.36
	(0.68)	(0.87)	(3.00)	(2.05)	(2.93)	(3.00)	(1.86)	(2.15)
Ornamented
CH (mm)	4.66	4.44	7.04	7.23	7.85	7.49	5.12	5.48
	(0.84)	(0.70)	(2.86)	(1.84)	(2.42)	(2.42)	(1.41)	(2.05)
CHL (mm)	16.75	16.18	19.90	21.46	22.28	21.25	15.75	17.44
	(1.12)	(1.20)	(4.79)	(3.90)	(4.83)	(5.12)	(3.17)	(3.94)
CHH (mm)	9.85	9.57	13.29	14.41	14.69	14.53	10.11	11.25
	(1.29)	(1.04)	(4.68)	(3.03)	(4.09)	(4.23)	(2.45)	(3.29)
Performance
N	23	15	19	20	20	25	13	12
Bite force (N)	10.37	13.88	11.77	9.05	23.57	24.74	30.4	34.25
	(3.11)	(4.11)	(5.55)	(5.23)	(17.89)	(16.35)	(7.58)	(13.04)

Standard deviation shown in brackets. LJL, lower jaw length; HL, head length; HH, head height; HW, head width; CT, coronoid process of mandible to snout tip; QT, posterior surface of quadrate to snout tip; CH, casque height; CHL, casque head length; CHH, casque head height.