Bird identification is easy, except when it isn’t. For the next month, birders who look beyond their backyard feeders may be tormented by “confusing fall warblers” in the treetops. Roger Tory Peterson ...

What Does a Prairie Warbler Look Like? This colorful warbler brightens up forests and scrubby habitats in the southeastern United States. To spot a prairie warbler, look for a sparrow-sized, lively ...

When I see the first yellow-rumped warbler of the season, my heart soars. The 5-inch-long bird with yellow on its rump tells me I’m about to encounter another May full of colorful little songbirds ...

Free quick-find warbler identification pages are available from Princeton University Press. There are seven pieces in the set, all downloadable as pdf or jpg files. Each opens as a full-color image 10 ...

Follow along for a first-timer's take on the Biggest Week in American Birding at the warbler capital of the world.

The figure five is a powerful force in nature and spiritualism, and now it can be revealed as a magic number for birdwatchers ...