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

A classic bird identification challenge is separating House from Cassin’s Finches. They look quite similar but careful study will reveal details to confirm the ID. Finches are notoriously irruptive, ...

Male and female birds are often quite different. Looking at two individuals of radically different color, it’s sometimes easy to forget this. I often talk to people who think they have multiple kinds ...