If you’ve ever complained about air travel, imagine what it’s like for a migrating songbird. Take for example, the prothonotary (pro-thon-uh-ter-ee) warbler. It’s a bright golden bird about 5 inches ...

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 ...

Twenty-five species of birds in North America have “northern” in their names. I’ve never been fond of these generic descriptors. “Western,” “southern” and “common” this or that are similarly colorless ...