Table 3. Biometric characters of Pelecanoides georgicus populations.
Character | SAO | SIO | NZ | novus | SAO vs. SIO | SAO vs. NZ | SIO vs. NZ |
---|---|---|---|---|---|---|---|
Wing length | 116.90 ± 0.82 | 117.82 ± 0.65 | 119.75 ± 0.23 | 111.00 ± 1.00 | *** | ** | |
(111–126; 29) | (109–126; 38) | (113–129; 111) | (110–112; 2) | d = 0.95; 1 | d = 0.65; 1 | ||
Length of T6 | 38.45 ± 0.77 | 37.41 ± 0.71 | 41.10 ± 0.21 | 36.50 ± 0.50 | *** | *** | |
(30–45; 22) | (32–42; 17) | (37–48; 128) | (36–37; 2) | d = 1.03; 1 | d = 1.52; 1 | ||
Length of T1 | 34.64 ± 0.52 | 34.19 ± 0.61 | 36.56 ± 0.71 | 30.50 ± 1.50 | |||
(29–39; 22) | (31–39; 16) | (35–39; 9) | (29–32; 2) | ||||
Tail fork depth | 3.86 ± 0.80 | 3.06 ± 0.42 | 4.44 ± 0.60 | 6.00 ± 1.00 | |||
(-4-11; 22) | (0–7; 16) | (1–7; 9) | (5–7; 2) | ||||
Bill length | 14.17 ± 0.18 | 14.16 ± 0.24 | 13.46 ± 0.11 | 14.65 ± 0.25 | * | ||
(12.3–15.8; 22) | (11.4–17.4; 38) | (11.0–17.2; 126) | (14.4–14.9; 2) | d = 0.54; 1 | |||
Bill width | 8.29 ± 0.23 | 8.36 ± 0.08 | 8.52 ± 0.04 | 7.40 ± 0.00 | |||
(6.7–11.3; 22) | (7.5–9.7; 38) | (7.4–10.0; 126) | (7.4–7.4; 2) | ||||
Bill depth | 7.66 ± 0.11 | 7.67 ± 0.14 | 8.71 ± 0.20 | 7.85 ± 0.15 | *** | *** | |
(6.9–8.7; 21) | (6.7–9.5; 22) | (7.8–9.4; 10) | (7.8–8.0; 2) | d = 1.97; 1 | d = 1.60; 1 | ||
Arch length | 5.61 ± 0.17 | 5.07 ± 0.14 | 5.28 ± 0.09 | 6.20 ± 0.40 | |||
(4.6–6.9; 17) | (3.7–5.9; 21) | (3.3–7.2; 80) | (5.8–6.6; 2) | ||||
Head length | 49.72 ± 0.39 | 49.50 ± 0.50 | 51.70 ± 0.14 | 50.20 ± 1.10 | *** | *** | |
(46.4–54.2; 21) | (36.7–56.5; 38) | (45.1–55.5; 126) | (49.1–51.3; 2) | d = 1.23; 1 | d = 1.08; 1 | ||
Tarsus length | 24.16 ± 0.46 | 24.37 ± 0.16 | 25.38 ± 0.11 | 23.60 ± 1.10 | *** | *** | |
(19.3–27.2; 22) | (22.0–26.1; 38) | (22.0–28.6; 126) | (22.5–24.7; 2) | d = 0.89; 1 | d = 0.88; 1 | ||
Position of paraseptal process | 53.33 ± 2.11 | 53.57 ± 1.69 | 53.23 ± 0.56 | 60.00 ± 10.00 | |||
(50–60; 6) | (50–70; 14) | (40–70; 96) | (50–70; 2) | ||||
Maximum cumulative Tobias et al. (2010) score | 0 | 2 | 2 |
Data presented are mean ± standard error of mean (minimum-maximum; n) in mm. Significance levels are indicated with asterisks (blank P > 0.05
* P < 0.05
** P < 0.01 and
*** P < 0.001
ANOVA, followed by Tukey HSD tests, unless n < 7 (bold)). Significance levels are followed by Cohen’s d effect sizes and Tobias et al. [46] scores, of which the two largest are summed. SAO = South Atlantic Ocean, SIO = South Indian Ocean, NZ = New Zealand, novus = P. g. novus.