If you see a strange-looking hummingbird at a Bay Area park this summer, it might not be a bird at all. Heavy winter rainfall caused a population boom for a moth called the white-lined sphinx. Many ...

Claudio Mello was conducting research in Brazil’s Atlantic Forest about 20 years ago when he heard a curious sound. It was high-pitched and reedy, like a pin scratching metal. A cricket? A tree frog?

Here at Gulf Coast Bird Observatory, we are getting ready for our annual Xtreme Hummingbird Xtravaganza on Sept. 13 and 20. The fall Ruby-throated Hummingbird migration has already begun, so we’ve ...