Table 2.
Descriptive statistics for morphometric measurements of adults from Rhinella margaritifera from Amazonian Ecuador and Rhinella alata from Chocó and Panama. Mean ± SD is given, with the range below. Abbreviations are: SVL = Snout-Vent Length; TL = Tibia Length; FL = Femur Length; HL= Head Length; HW = Head Width; STCH = Supratympanic Crest Height; SOCH = Supraorbital Crest Height; NSD = Nostril-Snout Distance; IND = Inter-Nostril Distance; TD = Tympanum Diameter; FT = Foot Length. All measurements are in mm.
| Rhinella margaritifera | Rhinella alata | |||||||
|---|---|---|---|---|---|---|---|---|
| Amazon | Chocó | Panamá | combined | |||||
| Morphometric measurements | Males (n = 16) |
Females (n = 16) |
Males (n = 43) |
Females (n = 31) |
Males (n = 6) |
Females (n = 8) |
Males (n = 49) |
Females (n = 39) |
| SVL | 45.6 ± 4.11 (54.36–39.88) |
68.90 ± 8.26 (77.97–55.42) |
36.66 ± 2.42 (43.25 –31.84) |
44.82 ± 4.42 (56.19–38.55) |
38.03 ± 0.59 (39.20–37.54) |
42.38 ± 3.82 (49.69–37.78) |
36.83 ± 2.31 (43.25–31.84) | 44.27 ± 4.37 (56.19–37.78) |
| TL | 18.73 ± 1.97 (23.13–15.14) |
29.36 ± 2.97 (34.26–24.01) |
15.98 ± 1.14 (18.72–13.69) |
18.26 ± 1.24 (20.73–16.22) |
15.86 ± 1.16 (18.12–15.09) |
17.79 ± 0.75 (18.99–16.41) |
15.97 ± 1.13 (18.72– 13.69) | 18.17 ± 1.16 (20.73–16.22) |
| FL | 19.67 ± 1.97 (23.84–16.15) |
29.33 ± 3.67 (35.34–22.75) |
15.69 ± 1.34 (19.28–13.09) |
18.16 ± 1.72 (22.04–15.18) |
16.39 ± 0.37 (17.01 –16.03) |
17.46 ± 0.67 (18.72–16.72) |
15.77 ± 1.27 (19.28–13.09) | 18.02 ± 1.58 (22.04–15.18) |
| HW | 16.9 ± 1.59 (19.93–14.77) |
25.88 ± 2.73 (30.69–21.01) |
12.57 ± 0.95 (15.14–10.31) |
15.10 ± 1.6 (18.94–12.49) |
12.98 ± 0.17 (13.3–12.8) |
14.90 ± 1.12 (17.23–13.79) |
12.63 ± 0.91 (15.14–10.31) | 15.06 ± 1.50 (18.94–12.49) |
| HL | 14.6 ± 1.28 (17.44–13.27) |
22.27 ± 2.71 26.51–17.94) |
11.61 ± 0.8 (13.88–10.29) |
13.67 ± 1.19 (16.84–11.85) |
11.85 ± 0.21 (12.2–11.54) |
13.18 ± 1.12 (15.45–11.77) |
11.64 ± 0.76 (13.88–10.29) | 13.57 ± 1.17 (16.84–11.77) |
| SOCH | 9.46 ± 0.86 (11.13–8.19) |
15.43 ± 2.02 (18.33–12.06) |
7.71 ± 0.59 (8.87–6.45) |
9.28 ± 0.86 (11.40–7.77) |
8.39 ± 0.21 (8.67–8.2) |
9.13 ± 0.49 (9.87–8.53) |
7.79 ± 0.59 (8.87–6.45) | 9.25 ± 0.79 (11.4–7.77) |
| STCH | 8.78 ± 1.55 (12.27–6.78) |
17.73 ± 3.26 (22.7–12.35) |
6.27 ± 0.54 (7.97–5.36) |
7.96 ± 0.68 (9.71–6.63) |
6.59 ± 0.31 (6.99–6.31) |
7.38 ± 0.39 (8.01–6.99) |
6.31 ± 0.52 (7.97–5.36) | 7.84 ± 0.67 (9.71–6.63) |
| NSD | 2.08 ± 0.44 (2.64–1.41) |
2.45 ± 0.42 (3.37–1.79) |
1.63 ± 0.29 (2.23–1.05) |
1.70 ± 0.21 (2.08–1.25) |
1.47 ± 0.17 (1.60–1.18) |
1.66 ± 0.16 (1.89–1.35) |
1.61 ± 0.28 (2.23–1.05) | 1.69 ± 0.20 (2.08–1.25) |
| IND | 3.35 ± 0.35 (3.89–2.70) |
3.12 ± 0.37 (3.73–2.59) |
2.50 ± 0.33 (3.23–1.86) |
2.80 ± 0.43 (3.98–2.16) |
2.41 ± 0.11 (2.59–2.31) |
2.42 ± 0.23 (2.63–2.08) |
2.48 ± 0.32 (3.23–1.86) | 2.72 ± 0.43 (3.98–2.08) |
| TD | 3.48 ± 0.24 (3.93–3.18) |
4.14 ± 0.21 (4.48–3.65) |
3.34 ± 0.47 (4.03–1.95) |
3.46 ± 0.59 (4.45–2.5) |
3.38 ± 0.20 (3.60–3.13) |
3.79 ± 0.25 (4.05–3.31) |
3.33 ± 0.45 (4.03–1.95) | 3.52 ± 0.55 (4.45–2.5) |
| FT | 16.87 ± 2.145 (21.85–13.76) |
24.87 ± 3.64 (28.86 –19.13) |
13.46 ± 1.12 (15.88–11.43) |
15.33 ± 1.52 (19.40–13.15) |
13.72 ± 0.68 (14.70–12.82) |
14.96 ± 0.76 (16.54–14.39) |
13.48 ± 1.07 (15.88–11.43) | 15.25 ± 1.39 (19.4–13.15) |