Range of the newly created species Pacific Wren. Record from Barrow, Alaska could be this species or (Eastern) Winter Wren (confirmation needed). This species should be watched for east of the mapped range (especially western Nebraska, Kansas, Oklahoma, central Texas, but also farther east). Map based on the Sibley Guides, copyright David Sibley.

By Popular Demand: Bird Range Maps


A few of you, in response to WC’s post on Say’s Phoebes in the White Mountains, asked how it is that range maps get made. Here’s a fairly typical range map. Purple is year-round, orange is summer, blue is winter and yellow is migration. Let’s go back to first principles. First, birds are wild creatures.…