The attractive house finch is one of the more common and recognizable ... but the color can vary to orange or occasionally yellow. The red breast is clearly demarcated from a whitish belly with ...

Male house finches are more orange and red with the color concentrated on their heads and chests. Females are more difficult to tell apart, so look closely at their faces: Purple finches have a ...

Could a novel approach to genetic studies give us a clearer picture of how evolutionary adaptations occur? That's what the ...

I was fortunate enough to have a pair of purple finches nest near me, allowing me to observe their courtship ritual for the first time. The male sang incessantly from a tree ...