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Infographic: Dialing Down the Glitz
Infographic: Dialing Down the Glitz
The gene BCO2 enables male and female members of some bird species to display dramatically different color patterns.
Infographic: Dialing Down the Glitz
Infographic: Dialing Down the Glitz

The gene BCO2 enables male and female members of some bird species to display dramatically different color patterns.

The gene BCO2 enables male and female members of some bird species to display dramatically different color patterns.

finches
The Gene that Makes Female Birds Drab
Rachael Moeller Gorman | Sep 1, 2020 | 3 min read
In some finch species, the difference between colorful males and muted females comes down to one gene, BCO2, which encodes an enzyme that degrades carotenoids.
Image of the Day: Species-Specific Songs
Emily Makowski | Nov 14, 2019 | 1 min read
Gene activity is linked to songbirds’ tunes.

Image of the Day: Red-Feathered Finches
Emily Makowski | Sep 30, 2019 | 1 min read
Scientists uncover a potential reason why redder house finches have better health.
North America Has 3 Billion Fewer Birds Than it Did in 1970
Catherine Offord | Sep 19, 2019 | 2 min read
Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.
Incomplete Immunity
Jim Daley | Jun 1, 2018 | 2 min read
By combining experimental data with computer models, researchers were able to predict a pathogen’s evolution toward more virulence.
Finch Findings
Jenny Rood | Feb 12, 2015 | 2 min read
Full genomes of Darwin’s Galápagos finches reveal a critical gene for beak shape and three overlooked species.
Finch-Powered Fumigation
Rina Shaikh-Lesko | May 7, 2014 | 2 min read
Darwin’s finches use pesticide-treated cotton to line their nests and unwittingly protect themselves against parasitic fly larvae.
Marlboro Chicks
Beth Marie Mole | Dec 5, 2012 | 3 min read
Two species of songbirds pack their nests with scavenged cigarette butts that repel irksome parasites.
Behavior brief
Jef Akst | Jun 23, 2011 | 4 min read
A round-up of recent discoveries in behavior research.
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