Migratory Bird Initiative

Tens of Millions of Western Birds Depend on These Two Regions During Migration

Tens of Millions of Western Birds Depend on These Two Regions During Migration

— 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

Audubon Scientists Reveal Migration Bottlenecks Used by Tens of Millions of Birds

— 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

Artificial Lighting May Shift Bird Migration by More Than a Week, New Research Says

— 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?

Where Will Rocky the Northern Saw-whet Owl Spend the Holidays?

— 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

New Study Finds Humboldt Bay is Among the Most Important Places in the Entire Hemisphere for Migratory Shorebirds

— 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

As American Kestrels Mysteriously Decline, Researchers Look to Their Migration for Clues

— 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

Philadelphia Sees Largest Mass Collision Event in the City in 70 Years

— Reflecting on the “gruesome and overwhelming” day, experts remain hopeful that the event will inspire action for bird-friendly communities.
Here's Why So Many More Birds Migrate Through the Eastern United States

Here's Why So Many More Birds Migrate Through the Eastern United States

— 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

What You Need to Know About the Migratory Bird Initiative

— Audubon outreach biologists Mikko Jimenez and Chad Witko discuss this ambitious project to protect birds along their full migratory journeys.
It's Summer, and That Means Fall Migration is Already Underway

It's Summer, and That Means Fall Migration is Already Underway

— For some migratory birds, "fall" is more of a guideline than a rule.