Table 2 Morphometric measurements and stable isotope values for females of the ssp. oenanthe in three different regions of their wintering range. Values are given ± SD
From: Morphometrics and stable isotopes differentiate wintering populations of a migratory bird
Kenya (N = 14) a | Mauritania/Mali (N = 11) a | Niger (N = 8) a | |
|---|---|---|---|
Wing chord [mm] | 95.8 ± 3.1 | 93.2 ± 2.4 | 94.0 ± 2.9 |
Tarsus [mm] | 27.0 ± 0.6 | 26.5 ± 0.9 | 26.6 ± 0.6 |
Bill length [mm] | 19.8 ± 0.5 | 19.8 ± 0.9 | 19.5 ± 0.5 |
Bill depth [mm] | 4.0 ± 0.2 | 4.1 ± 0.2 | 4.0 ± 0.3 |
Bill width [mm] | 3.7 ± 0.2 | 3.8 ± 0.2 | 3.8 ± 0.2 |
c2-index | 0.42 ± 0.13 | 0.36 ± 0.19 | 0.34 ± 0.09 |
c3-index | −1.12 ± 0.16 | −1.14 ± 0.12 | −1.14 ± 0.10 |
δ2H [‰] a | −49.36 ± 6.34 | −53.78 ± 5.60 | −50.88 ± 13.37 |
δ15N [‰] | 7.69 ± 1.74 | 7.39 ± 2.53 | 9.98 ± 3.40 |
δ13C [‰] | −23.20 ± 0.56 | −22.66 ± 1.25 | −21.48 ± 2.52 |