However, short-length migrants be constrained in the manner much capable reasonably alter its behavior, meaning that is to have indicated less version no matter its inclination to possess behavioral version. To deal with this prejudice, the partnership between migration length and you may convergence found between matched up-anybody was utilized since an excellent null model getting questioned adaptation within a given migration range, and in case inter-personal variation is going to be similarly influenced by that it spatial limitation. Brand new variation predict within null model to possess confirmed migration point is actually deducted on the intra-private low-reproduction year convergence to decide whether intra-private version changed pretty much than just questioned.
2.step three Winter months site fidelity
All the GPS points ranging from coming and you may departure regarding wintering city were used to maximize temporal quality of movement study, rather than subsampling because the completed for low-reproduction distributions. Lees verder