Sibley Birds East & Sibley Birds West: A Review
10,000 Birds
MAY 3, 2016
It gets very confusing when I’m trying to look at subspecies descriptions in multiple field guides (“Slate-Colored Fox Sparrow” in Sibley West, for example, is “Western Slate-colored Group” in Stokes West). The group pages show how much the taxonomy of certain bird families has changed over the past 13 years.
Let's personalize your content