The flash of deep red at the bird feeder might have you guessing. Is it a Purple Finch? Something more exotic? Identifying ...

A UC Berkeley study shows that when zebra finches hear the call of another zebra finch, they have a mental representation of ...

DEAR JOAN: A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he perches, he gapes his beak open and closed, over and over, like a ...

When you hear birds chirping outside your window, you might think it's just random noise. But scientists at the University of ...