January 14, 2022 — New research confirms that males’ wing-boom sound marks hard-to-find nesting sites—a boon for efforts to save these mysterious, declining birds.
December 21, 2021 — These common and adaptable birds provide a welcome pop of color at feeders from coast to coast. But they weren’t always so ubiquitous.
November 24, 2021 — In some species, many adults wear different color patterns from others. Kenn Kaufman explains the phenomenon, and the lingo to describe it.
November 23, 2021 — The Peterson series displays the variety in crafted structures of a whopping 650 species. Co-author David Moskowitz shares insights from the field.