This paper reviews the literature on survival estimates for different species of raptors and
owls, examines the methods used to obtain the estimates, and draws out some general …

Background Animals of many different species, trophic levels, and life history strategies
migrate, and the improvement of animal tracking technology allows ecologists to collect …

Location data of four White-tailed Sea Eagles (Haliaeetus albicilla)(WTSE) from four pairs
equipped with GPS data loggers or automated GPS–GSM units and visual behaviour …

Studies of anthropogenic impacts on wildlife may produce inconclusive or biased results if
they fail to account for natural sources of variation in breeding performance and do not use …

Nomadism in birds is characterized by inconsistent and unpredictable migrations to
breeding or nonbreeding areas often related to changing prey conditions. The Ferruginous …

Grassland and shrubland birds are declining globally due in part to anthropogenic habitat
modification. Because population performance of these species is also influenced by non …

We examined factors that might influence breeding-site selection in Ferruginous Hawks
(Buteo regalis) in the Uintah Basin, Utah, an area undergoing rapid oil and gas …

Raptors that inhabit sagebrush steppe and grassland ecosystems in the western United
States may be threatened by continued loss and modification of their habitat due to energy …

Global wind-energy development has increased exponentially in recent decades and is
expected to double in capacity in Canada by 2040. Wind-farm development has significant …

Grassland and shrub-steppe ecosystems are increasingly threatened by anthropogenic
activities. Loss of native habitats may negatively impact important small mammal prey …