Table 1.
Number, sex (males, females, n.a., not available), and stable isotope ratios in the non-exchangeable hydrogen of fur keratin (δ2Hf; ‰; mean ± s.d.) of migrant and regional common noctules (Nyctalus noctula) found in hibernacula across Central Europe. Note that numbers for FC Berlin-Brandenburg include 92 recaptures of 79 individuals.
| long-distance migrants |
regional |
|||||
|---|---|---|---|---|---|---|
| sampling regions | % | total (m/f/n.a.) | δ2Hf | % | total (m/f/n.a.) | δ2Hf |
| FC Schleswig-Holstein (Germany) | 38 | 95 (22/73/–) | −111.6 ± 8.8 | 62 | 154 (60/94/–) | −92.1 ± 6.1 |
| FC North Rhine-Westphalia (Germany) | 30 | 17 (2/15/–) | −108.6 ± 7.0 | 70 | 40 (20/20/–) | −88.1 ± 7.3 |
| FC Berlin-Brandenburg (Germany) | 19 | 133 (35/89/9) | −116.8 ± 9.2 | 81 | 571 (244/280/47) | −91.4 ± 8.3 |
| FC Saxony (Germany) | 7 | 3 (0/3/–) | −122.4 | 94 | 43 (12/31/–) | −96.4 ± 7.2 |
| Poland | 16 | 6 (2/4/–) | −120.8 ± 4.6 | 84 | 32 (16/16/–) | −100.6 ± 6.8 |
| Switzerland | 14 | 7 (4/3/–) | −127.9 ± 3.6 | 86 | 43 (17/26/–) | −97.6 ± 8.9 |
| Slovenia | 4 | 1 (0/1/–) | −115.8 | 96 | 25 (7/18/–) | −94.6 ± 10.0 |
| ∑ | 22% (262 individuals) | 78% (908 individuals) | ||||