Image of the Day: <em>Fukuipteryx</em> Fossil
Image of the Day: Fukuipteryx Fossil
This ancient bird has a modern tail bone.
Image of the Day: Fukuipteryx Fossil
Image of the Day: Fukuipteryx Fossil

This ancient bird has a modern tail bone.

This ancient bird has a modern tail bone.

birds
Image of the Day: Species-Specific Songs
Image of the Day: Species-Specific Songs
Emily Makowski | Nov 14, 2019
Gene activity is linked to songbirds’ tunes.

Image of the Day: Flight Styles
Image of the Day: Flight Styles
Emily Makowski | Oct 25, 2019
The evolution of different ways of flying in birds affected wing range of motion, but not wing shape.
Image of the Day: No Longer Endangered
Image of the Day: No Longer Endangered
Emily Makowski | Oct 11, 2019
Back from the brink of near-extinction, the Kirtland’s warbler population has grown and expanded its range.
Image of the Day: Red-Feathered Finches
Image of the Day: Red-Feathered Finches
Emily Makowski | Sep 30, 2019
Scientists uncover a potential reason why redder house finches have better health.
North America Has 3 Billion Fewer Birds Than it Did in 1970
North America Has 3 Billion Fewer Birds Than it Did in 1970
Catherine Offord | Sep 19, 2019
Population reductions in species such as sparrows and blackbirds reflect a concerning pattern of declining biodiversity across the continent, researchers find.
Squirrels Listen to Birdsong for Safety Cues
Squirrels Listen to Birdsong for Safety Cues
Emily Makowski | Sep 5, 2019
Eastern gray squirrels appear to ease up on vigilance behavior when the birds sound calm.
Bar-Headed Geese Slow Their Metabolism to Soar over Everest
Bar-Headed Geese Slow Their Metabolism to Soar over Everest
Nicoletta Lanese | Sep 4, 2019
The birds also decrease their heart rate and chill their blood to maintain flight in hypoxic conditions.
Unhatched Gulls Shake Their Shells to Warn Siblings of Danger
Unhatched Gulls Shake Their Shells to Warn Siblings of Danger
Nicoletta Lanese | Jul 23, 2019
The unborn chicks translate auditory alarms from adult birds into quaking vibrations.
Image of the Day: Digital Adaptation
Image of the Day: Digital Adaptation
Chia-Yi Hou | Jul 15, 2019
A bird leg with one super-long toe is something paleontologists say they’ve never seen before.