Jessie Williamson, an assistant professor in the UW Department of Zoology and Physiology, takes a pollen sample from a northern giant hummingbird (Patagona peruviana) during research in Peru.

Known for being beautiful and fast, Hummingbirds are among the world’s smallest birds. The largest of these jewel-toned beauties weighs less than one ounce. Hummingbirds have the most rapid wing beats ...

North Carolina’s most common hummingbird — the Ruby-throated hummingbird — is slated to make an appearance this month, but if you spotted a hummingbird in the last few months, it may have been a rare ...

Hummingbirds in North America are currently experiencing contrasting population changes, and little is known about the factors contributing to these changes. We examined the demography of two species ...

This month I’m heading to southeast Arizona in pursuit of birds — hummingbirds, in particular. It’s the best time of year for it, despite the heat. I hope to raise my hummingbird life list to 14 or 15 ...