 This requires them to find an abundant prey source, and capitalize on it before they will be capable of laying a clutch (Meltofte et al.2008).If the bird arrives with sufficient time to recover these expended resources and lay their clutch with enough time to hatch at the period that prey density is going to be at its best, they will greatly increase the likelihood that those offspring are going to be given sufficient time to develop before they are forced back out of the arctic (Meltofte et al.