Why Fall Is Critical for Birds—And How You’re Making a Difference

In this issue: Most Dangerous Season for Warblers, Revitalizing Shores of Lake Michigan, Protect Birds from Harmful Greenhouse Gases

                                                               

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Wingspan Newsletter | September 2025

Why is Fall the Most Dangerous Season for Migrating Warblers? Our recent study found that fall migration, the southbound journey that takes place after the breeding season, is the most perilous for these migrating songbirds. Understanding when migratory birds face their biggest challenges is key to their protection, and we've identified some of the major risk factors during their migratory journeys south. Keep reading to learn why fall migration is the most dangerous season for warblers.

Common Yellowthroats. Photo: Ross McKinney/Audubon Photography Awards

Reconnecting Nature and Neighborhoods Along Lake Michigan Over the past century, the West Branch of the Little Calumet River, a once meandering and biodiverse waterway in Indiana, has been straightened, leveed, and degraded. Now, we're working on an ambitious, community-driven restoration effort with the help of our partners to restore this critical river and reconnect it with the habitats and neighborhoods that once thrived along its banks. Learn more about our vision to revitalize the Little Calumet River and the people and birds that depend on it.

Great Blue Heron. Photo: Paul Anderson/Audubon Photography Awards

The Numbers Are In—See This Huge Conservation Milestone The North Dakota Conservation Forage Program recently marked a milestone in their efforts to bring back the critical grassland habitat birds like the Western Meadowlark need. With only 8,000 more restored acres to go, this program is now over halfway to completion! Find out how many acres of grassland this program has already restored and how they did it.

Western Meadowlark. Photo: Sidra Monreal/Audubon Photography Awards

Help Us Do More for Birds Thanks to your generosity, we can pursue on-the-ground conservation that creates meaningful change for birds and our communities. Help power our best efforts for birds—donate today.

Anna's Hummingbird. Photo: Tammy Kokjohn/Audubon Photography Awards

Protect Birds and People from Harmful Greenhouse Gases The U.S. Environmental Protection Agency has proposed eliminating the "Endangerment Finding" that allows the agency to limit climate pollution from major sources like power plants, oil and gas infrastructure, and cars and trucks under the Clean Air Act. Urge the Environmental Protection Agency to maintain scientific integrity by upholding the Endangerment Finding and remaining committed to tackling climate change. The deadline to take action is this Monday, September 22!

Great Gray Owl. Photo: Scott Suriano/Audubon Photography Awards

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