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 …

Migration conveys an immense challenge, especially for juvenile birds co** with enduring
and risky journeys shortly after fledging. Accordingly, juveniles exhibit considerably lower …

Billions of organisms, from bacteria to humans, migrate each year and research on their
migration biology is expanding rapidly through ever more sophisticated remote sensing …

The nominal subspecies of the Black Kite is a summer resident in Europe and Asia that
winters mostly in western Africa, although numbers of birds wintering in the Mediterranean …

Human‐induced changes in the climate and environment that occur at an unprecedented
speed are challenging the existence of migratory species. Faced with these new challenges …

The annual cycle of most animals is structured into discrete stages, such as breeding,
migration and dispersal. While there is growing appreciation of the importance of different …

Increased human-induced environmental changes and global warming alter bird migration
timing and routes. Recently, many Holarctic species, including white storks, Ciconia ciconia …

Protected natural areas deserve the combination of nature uniqueness and conservation
willing. The foundation stone for National Parks is the awareness of that unique character …

Recent changes in sanitary policies within the European Union (EU) concerning disposal of
carcasses of domestic animals and the increase of non‐natural mortality factors, such as …

A first step for the effective management of vulnerable populations is to identify population
threats and measure their relative impact on population fluctuations. The relative importance …