Urban density strongly correlates with house sparrow health

House sparrows (Passer domesticus) have adapted to urban environments, which are changing and growing faster than ever before. A range of both biotic and abiotic factors—including habitat fragmentation, changing food availability, ...

The social transmission of stress in animal collectives

Stress is a widespread phenomenon that occurs when, for example, humans feel threatened or overwhelmed, have too much work or are in imminent danger. We communicate to others that we are stressed through our behavior and ...

Urban lighting needs to consider migrating birds, study suggests

University of Manitoba researchers have published a paper that challenges the way we think about airspace. By equipping some migratory birds with a GPS backpack, the biologists provided new and crucial data to a burgeoning ...

Protecting biodiversity by creating a dark infrastructure

An international research team with the participation of the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) advocates the worldwide development of a dark infrastructure. This refers to areas and corridors ...

Impact of urbanization on shrews: A city full of personalities

While shrews are evasive and rarely seen, these small insectivorous mammals are very abundant. One species, the greater white-toothed shrew (Crocidura russula) is particularly successful: it is expanding in Europe and has ...

Light pollution increasing year-round for some migrating birds

Nighttime light pollution levels are increasing the most in the southeastern United States, Mexico, and Central America—findings based on year-round data collected over the last two decades in the Western Hemisphere. This ...

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