American Ornithological Society

The American Ornithological Society (AOS) is an ornithological organization based in the United States. The society was formed in October 2016 by the merger of the American Ornithologists' Union (AOU) and the Cooper Ornithological Society. Its members are primarily professional ornithologists although membership is open to anyone with an interest in birds. The AOS is a member of the Ornithological Council and Ornithological Societies of North America (OSNA). The society publishes the two scholarly journals The Auk and The Condor as well as the AOS Checklist of North American Birds.

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Are flamingos returning to Florida?

Flamingos are a Florida cultural icon, and sightings of American Flamingos in the state have been on the rise in recent decades. However, whether they're truly native to the U.S. or only arrive via escape from captivity has ...

dateFeb 21, 2018 in Ecology
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Long incubation times may defend birds against parasites

Some tropical birds have longer egg incubation times than their temperate cousins, even though their habitat is teeming with egg-eating predators. The reason why has long been a mystery, but a new study from The Auk: Ornithological ...

dateFeb 21, 2018 in Ecology
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Fracking tied to reduced songbird nesting success

The central Appalachian region is experiencing the country's most rapid growth in shale gas development, or "fracking," but we've known almost nothing about how this is affecting the region's songbird populations—until ...

dateFeb 14, 2018 in Environment
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Warming temperatures may cause birds to shrink

Biologists have known for a long time that animals living in colder climates tend to have larger bodies, supposedly as an adaptation to reduce heat loss. However, understanding how temperature affects animals has gained new ...

dateJan 24, 2018 in Ecology
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Timing of spring birdsong provides climate insights

Climate change has scientists worried that birds' annual migration and reproduction will be thrown out of sync with the seasons. Because birds' songs are correlated with their breeding behavior and are easily identifiable ...

dateJan 17, 2018 in Ecology
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Genetic drift caught in action in invasive birds

Studies of island bird populations have taught us a lot about evolution, but it's hard to catch birds in the act of naturally colonizing new islands. Instead, a new study from The Auk: Ornithological Advances examines what's ...

dateJan 17, 2018 in Ecology
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