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. 2018 Jun 27;13(6):e0197766. doi: 10.1371/journal.pone.0197766

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.