New study shows birds can learn from others to be more daring

House sparrows can be found on nearly every continent including North America, South America, Africa and Australia, where they are not native but an invasive species. New research into these highly social songbirds reveals ...

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 ...

Inbreeding detrimental for survival

Biologists have long known that inbreeding can be detrimental. Inbreeding results in less genetic variation, making species more vulnerable if changes occur that require them to adapt.

Victorian efforts to export animals to new worlds failed, mostly

In 1890, a New York bird enthusiast released several dozen starlings in Central Park. No one knows for sure why Eugene Schieffelin set the birds aloft, but he may have been motivated by a sentimental desire to make the American ...

Male sparrows are less intimidated by the songs of aging rivals

Few singers reach their sunset years with the same voice they had in younger days. Singing sparrows are no different. Duke University-led research reveals that elderly swamp sparrows don't sound quite like they used to—nor ...

page 1 from 11