Migratory Bird Initiative

Keeping Track of These Boreal Nomads Is Notoriously Difficult
March 02, 2021 — The irregular irruptions of winter finches inspire both delight and bewilderment among migration scientists.
Tens of Millions of Western Birds Depend on These Two Regions During Migration
January 26, 2021 — California’s Central Valley and the Colorado River Delta are critical stopover sites for dozens of migrant species, according to new research.
Audubon Scientists Reveal Migration Bottlenecks Used by Tens of Millions of Birds
January 26, 2021 — New study details how California’s Central Valley and the Colorado River Delta in Mexico provide food and shelter for globally significant numbers of migratory birds.
Artificial Lighting May Shift Bird Migration by More Than a Week, New Research Says
January 14, 2021 — Purple Martins exposed to bright nighttime light migrated eight days early—which could lead to starvation at their breeding grounds.
Where Will Rocky the Northern Saw-whet Owl Spend the Holidays?
December 22, 2020 — To learn where the beloved Rockefeller Center Christmas tree owl will go for the winter, Audubon's Migratory Bird Initiative spoke to owl researcher Sean Beckett.
New Study Finds Humboldt Bay is Among the Most Important Places in the Entire Hemisphere for Migratory Shorebirds
December 07, 2020 — Its intertidal mudflats crowded with migratory shorebirds each year, this California bay is threatened by the aquaculture industry.
As American Kestrels Mysteriously Decline, Researchers Look to Their Migration for Clues
November 20, 2020 — We still don't know a lot about the migration of North America's smallest falcon, but these scientists are using tracking technology that will help inform their conservation.
Philadelphia Sees Largest Mass Collision Event in the City in 70 Years
October 27, 2020 — Reflecting on the “gruesome and overwhelming” day, experts remain hopeful that the event will inspire action for bird-friendly communities.
Ask Kenn: Do More Birds Migrate Through the Eastern United States?
October 15, 2020 — In this month's Ask Kenn!, bird expert Kenn Kaufman provides a detailed look at how geography shapes the routes of migratory birds.
What You Need to Know About the Migratory Bird Initiative
September 22, 2020 — Audubon outreach biologists Mikko Jimenez and Chad Witko discuss this ambitious project to protect birds along their full migratory journeys.