It is autumn, the time of year when wood-warblers are allegedly at their most difficult. But that isn’t tough...

It has been a long time since I’ve put up a diabolical identification quiz. Too long, in fact. In...

It’s a sad day for nestcam watchers, as a Bald Eagle nonchalantly snatched one of Rachel and Steve’s Osprey fledglings. But thankfully, there’s other...

This spring I have probably had more in-your-face wood-warblers than I have ever had before. I am not sure...

It is spring! We in the northeastern United States are desperately awaiting the flood of migrant passerines that we...

We here at 10,000 Birds have had many difficult identification quizzes, quizzes that we try to make so difficult...

Can you handle it? It is fall, the time of year when wood-warblers are at their most difficult, and...

This quiz is truly diabolical. All three pictures show small fragments of birds that were photographed in Queens in...