Genetic mutation causing a northern cardinal to be yellow is a 1-in-10 million bird. ... The abnormally colored songbird is now a part of the couple’s daily routine at their rural Bath ...

Scientists say the yellow coloring on the bird is connected to lacking proteins, or enzymes. “It’s actually two enzymes. It ...

Birds at risk: 'Rarer creatures': Elegant trogons, hummingbirds alter flight paths as drought persists Bird watchers chart the thrasher's decline. The Bendire’s thrasher was named after Charles ...

Traffic Noise May Be Making These Bright Yellow Birds More Aggressive in the Galápagos Islands, ... (Setophaga petechia aureola), a small songbird that’s endemic to the archipelago.

The prothonotary warbler is a small, migratory, bright yellow songbird that returns to the Kansas City area from Central America during the spring and summer. As millions of birds prepare to take ...