Warmer springs mean more offspring for prothonotary warblers

Climate change contributes to gradually warming Aprils in southern Illinois, and at least one migratory bird species, the prothonotary warbler, is taking advantage of the heat. A new study analyzing 20 years of data found ...

Dutch cull 190,000 chickens after bird flu outbreaks

Dutch authorities have culled some 190,000 chickens after a highly-contagious strain of bird flu broke out at at least two poultry farms, the agriculture ministry said Sunday.

Variety in the migratory behavior of blackcaps

Many species of birds have always migrated south in the fall to spend the winter there, including the small blackcap, which often weighs only a few grams and yet covers thousands of kilometers. However, changes in our landscapes ...

The efficiency of migratory birds' flight formations

Migratory birds flying south provide an impressive example of cooperative behavior that saves power and energy. In the past, it was impossible for scientists to study this phenomenon in a natural environment. Researchers ...

Most migratory birds rely on a greening world, study finds

A new study from the Cornell Lab of Ornithology confirms that most birds—but not all—synchronize their migratory movements with seasonal changes in vegetation greenness. This is the first study of its kind to cover the ...

Mapping bird migration

Each spring, billions of land birds—thrushes, warblers, orioles, tanagers, and more—migrate through the night, navigating the coast of the Gulf of Mexico. Even greater numbers migrate in the fall. During the day, these ...

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