It’s an annoying sound, described as a screech, a hiss or a nasally shriek. And it’s being heard much more often these days from the backyards of Denver to the pasture lands around Cortez. It is the ...

This week's bird mystery is the opposite of the one presented here last week. Last week, we had a bird that was seen and not heard; this week, we have a bird that was heard but not seen. The sound was ...

Eurasian collared doves have been expanding their range for centuries through natural dispersal and human introduction. These natives of India began showing up in Turkey about 400 years ago, then ...