Table S10.
Birds tested for magnetic compass orientation under unpolarized light (Fig. 3F) | Birds tested for magnetic compass orientation in the presence of overhead 50% polarized light aligned parallel to the magnetic field (Fig. 3G) | ||||||
gN | mN | Trained MC direction | gN | mN | PL axis | Trained MC direction | |
n | 21 | 21 | 21 | 19 | 19 | 19 | 19 |
Mean direction | 249° | 44°/224° | 351° | 151° | 115° | 86°/266° | 170°/350° |
Mean vector length | 0.232 | 0.310 | 0.421 | 0.225 | 0.201 | 0.149 | 0.510 |
Rayleigh test (P) | 0.326 | 0.132 | 0.022 | 0.388 | 0.470 | 0.662 | 0.006 |