An Old World bird in a New World rainforest

The Sapayoa, a rainforest bird from Central and South America, is an evolutionary enigma—genetic analysis shows that its closest relatives are bird species living across the ocean in Asia and Africa. Now, new research in ...

Study shows how a single gene drives aggression in wild songbird

A new study shows how differentiation of a single gene changes behavior in a wild songbird, determining whether the white-throated sparrow displays more, or less, aggression. The Proceedings of the National Academy of Sciences ...

The impact of human-caused noise pollution on birds

Anthropogenic noise pollution (ANP) is a globally invasive phenomenon impacting natural systems, but most research has occurred at local scales with few species. Researchers in this study investigated continental-scale breeding ...

Chemical modules that mimic predator-prey and other behaviors

Scientists are reporting development of chemical modules that can reproduce, on an "unprecedented" molecular level, changes and interactions that occur in natural populations of plants and animals, including those of hunting ...

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