The nighttime is undergoing unprecedented change across much of the world, with natural
light cycles altered by the introduction of artificial light emissions. Here we review the extent …

Light pollution is a global threat to biodiversity, especially migratory organisms, some of
which traverse hemispheric scales. Research on light pollution has grown significantly over …

Although cities are human-dominated systems, they provide habitat for many other species.
Because of the lack of long-term observation data, it is challenging to assess the impacts of …

As billions of nocturnal avian migrants traverse North America, twice a year they must
contend with landscape changes driven by natural and anthropogenic forces, including the …

Halting the global decline of migratory birds requires a better understanding of migration
ecology. Stopover sites are a crucial yet understudied aspect of bird conservation, mostly …

We present the results of our 15th horizon scan of novel issues that could influence
biological conservation in the future. From an initial list of 96 issues, our international panel …

Billions of birds embark on long-distance migrations between breeding and nonbreeding
areas each spring and fall worldwide (eg, ref. 1). Birds, which mainly migrate at night, often …

Monitoring small, mobile organisms is crucial for science and conservation, but is technically
challenging. Migratory birds are prime examples, often undertaking nocturnal movements of …

The significance of urban landscapes in safeguarding biodiversity is often disregarded, even
though a considerable amount of conservation focus is directed toward biodiversity hotspots …

Residential yards are a form of urban land use that cover a considerable amount of area in
cities worldwide and provide important habitat for wildlife, especially when landscaped with …