Bird migrations are impressive behavioral phenomena, representing complex
spatiotemporal strategies to balance costs of living while maximizing fitness. The field of bird …

From the red grouse to the Ethiopian bush-crow, bird populations around the world can
provide us with vital insights into the effects of climate change on species and ecosystems …

Migration, broadly defined as directional movement to take advantage of spatially distributed
resources, is a dramatic behaviour and an important component of many life histories that …

Information about when and where animals die is important to understand population
regulation. In migratory animals, mortality might occur not only during the stationary periods …

It has been suggested that birds migrate faster in spring than in autumn because of
competition for arrival order at breeding grounds and environmental factors such as …

Declines in migratory species are a pressing concern worldwide, but the mechanisms
underpinning these declines are not fully understood. We hypothesised that species with …

Tracking repeat migratory journeys of individual animals is required to assess phenotypic
plasticity of individual migration behaviour in space and time. We used light-level …

Endogenous programs that regulate annual cycles have been shown for many taxa,
including protists, arthropods, fish, mammals and birds. In migration biology, these programs …

The small size of the billions of migrating songbirds commuting between temperate breeding
sites and the tropics has long prevented the study of the largest part of their annual cycle …

Recent advances in spring arrival dates have been reported in many migratory species but
the mechanism driving these advances is unknown. As population declines are most widely …