Table 1.
Summary of species, individuals, tracks, days, locations and sampling frequencies included in the study.
| Species | Number of ind. | Number of spring migr. tracks | Number of days per track (mean ± SD) | Number of locs per track (mean ± SD) | Sampling freq. (min, median, max) |
|---|---|---|---|---|---|
| Snowy owl | 98 | 211 | 37 ± 35 | 403 ± 1008 | 1 second, 31 minutes, 36 days |
| Rough-legged buzzard | 112 | 219 | 72 ± 54 | 727 ± 766 | 1 second, 2 minutes, 39 days |
| Peregrine falcon | 15 | 18 | 32 ± 21 | 76 ± 81 | 1 second, 8 minutes, 22 days |