Table 5. Plumage characters of Pelecanoides georgicus populations.
| Character | SAO | SIO | NZ | novus | SAO vs. SIO | SAO vs. NZ | SIO vs. NZ |
|---|---|---|---|---|---|---|---|
| Contrasting ear covert extent (1–4) | 3.46 ± 0.13 | 3.23 ± 0.15 | 3.18 ± 0.18 | 4.00 ± 0.00 | |||
| (2–4; 29) | (2–4; 22) | (2–4; 11) | (4–4; 2) | ||||
| Collar extent (1–4) | 2.75 ± 0.14 | 3.27 ± 0.19 | 1.60 ± 0.05 | 2.00 ± 1.00 | * | *** | *** |
| (2–4; 29) | (2–4; 22) | (1–3; 112) | (1–3; 2) | 2 | 2 | 3 | |
| Contrasting scapular extent (1–4) | 2.18 ± 0.13 | 2.00 ± 0.15 | 3.09 ± 0.07 | 3.00 ± 1.00 | *** | *** | |
| (1–4; 29) | (1–4; 22) | (2–4; 116) | (2–4; 2) | 2 | 2 | ||
| Contrasting secondary marking extent (1–5) | 2.11 ± 0.08 | 2.14 ± 0.18 | 3.16 ± 0.07 | 3.00 ± 0.00 | *** | *** | |
| (1–3; 29) | (1–5; 22) | (2–5; 115) | (3–3; 2) | 1 | 1 | ||
| Contrasting secondary marking shape (1–4) | 2.89 ± 0.10 | 3.81 ± 0.15 | 4.00 ± 0.00 | 4.00 ± 0.00 | *** | *** | |
| (1–4; 29) | (1–4; 21) | (4–4; 115) | (4–4; 2) | 1 | 1 | ||
| Contrasting ear covert colour (1–5) | 3.43 ± 0.12 | 3.32 ± 0.10 | 2.57 ± 0.05 | 3.50 ± 0.50 | *** | *** | |
| (2–4; 29) | (3–4; 22) | (2–4; 117) | (3–4; 2) | 1 | 1 | ||
| Collar colour (1–5) | 3.07 ± 0.08 | 3.05 ± 0.05 | 1.87 ± 0.08 | 2.00 ± 1.00 | *** | *** | |
| (2–4; 29) | (3–4; 22) | (1–3; 112) | (1–3; 2) | 1 | 1 | ||
| Flank colour (1–5) | 2.10 ± 0.12 | 2.43 ± 0.11 | 1.64 ± 0.15 | 1.00 ± 0.00 | * | *** | |
| (1–3; 22) | (2–3; 21) | (1–2; 11) | (1–1; 2) | 1 | 1 | ||
| Maximum cumulative Tobias et al. (2010) score | 3 | 5 | 6 |
Data presented are mean ± standard error of mean (minimum-maximum; n). Significance levels are indicated with asterisks (blank P > 0.05
* P < 0.05
** P < 0.01 and
*** P < 0.001
Kruskal-Wallis rank sum tests followed by Welch’s two-sample t-tests, unless n < 7 (bold)). Significance levels are followed Tobias et al. [46] scores, of which the three largest are summed. SAO = South Atlantic Ocean, SIO = South Indian Ocean, NZ = New Zealand, novus = P. g. novus.