Study looks at how residential yards impact food webs

University of Delaware doctoral student Desiree Narango is researching trees and shrubs planted in the lawns of homeowners throughout the Washington, D.C., Maryland and northern Virginia areas to assess how those choices ...

How birds turn red

In the bird world, the color red has special significance. Many species use red signals to attract mates or deter rivals, adding the color to their beaks, feathers, or bare skin. Generally speaking, as far as many birds are ...

Birds from different species recognize each other and cooperate

Cooperation among different species of birds is common. Some birds build their nests near those of larger, more aggressive species to deter predators, and flocks of mixed species forage for food and defend territories together ...

New study doubles the estimate of bird species in the world

New research led by the American Museum of Natural History suggests that there are about 18,000 bird species in the world—nearly twice as many as previously thought. The work focuses on "hidden" avian diversity—birds ...

Chernobyl's birds are adapting to ionising radiation

Birds in the exclusion zone around Chernobyl are adapting to – and may even be benefiting from – long-term exposure to radiation, ecologists have found. The study, published in the British Ecological Society's journal ...

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