| Explanatory variables | ΔAIC |
---|---|---|
(i) Migration speed | ||
  Traditional | ~ 1 | 8.5 |
~ 1+ size | 0 | |
  Partial | ~ 1 | 21.3 |
~ 1+ size | 0 | |
 (ii) Number of staging sites | ~ 1 | 1.0 |
~ 1+ size | 0 | |
 (iii) Total migration distance | ~ 1 | 10.6 |
~ size | 0 | |
 (iv) Maximum step length | ~ 1 | 14.7 |
~ 1+ size | 0 |