From Avocet to Zebra Finch: big data study finds more than 50 billion birds in the world
There are roughly 50 billion individual birds in the world, a new big data study by UNSW Sydney suggests—about six birds for every human on the planet.
There are roughly 50 billion individual birds in the world, a new big data study by UNSW Sydney suggests—about six birds for every human on the planet.
Ecology
May 17, 2021
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The European House Sparrow has a story to tell about survival in the modern world. In parts of its native range in Europe, House Sparrow numbers are down by nearly 60%. Their fate in the U.S. and Canada is less well known. ...
Plants & Animals
Feb 11, 2021
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A new study from scientists at the Cornell Lab of Ornithology examines public attitudes toward non-native bird species and whether people are willing to manage them to protect native cavity-nesting birds, such as Eastern ...
Plants & Animals
Dec 21, 2020
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3
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 ...
Plants & Animals
Sep 2, 2020
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121
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 ...
Plants & Animals
Aug 18, 2020
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158
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.
Evolution
Jul 30, 2020
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24
Most bird species are slow to change their tune, preferring to stick with tried-and-true songs to defend territories and attract females. Now, with the help of citizen scientists, researchers have tracked how one rare sparrow ...
Plants & Animals
Jul 2, 2020
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606
Researchers at the Cavanilles Institute of Biodiversity and Evolutionary Biology of the University of Valencia as well as the University of Alicante have found a new reason for the decrease in the number of sparrows (Passer ...
Plants & Animals
Feb 20, 2020
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14
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 ...
Plants & Animals
Jan 23, 2020
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4
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 ...
Plants & Animals
Jan 18, 2020
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175