The world today celebrates one of nature’s greatest spectacles—the awe-inspiring journey of migratory birds—with a renewed focus on how human communities can better share their space. World Migratory Bird Day (WMBD), an annual global campaign, officially kicked off its first peak celebration today under the theme “Shared Spaces: Creating Bird-Friendly Cities and Communities.”
Observed internationally on two peak dates—the second Saturday in May and the second Saturday in October—WMBD aims to raise awareness about the threats faced by migratory birds and the critical need for international cooperation to conserve their habitats.
Urbanization: A Dangerous Obstacle Course
Migratory birds undertake epic journeys, flying thousands of miles between their breeding and wintering grounds. However, a primary challenge they face is navigating the human-built world. Expanding urbanization, pollution, and the loss of natural “stopover” sites for resting and refueling have made cities a deadly obstacle course.
The campaign highlights several key threats that are exacerbated in urban and suburban environments:
- Window Collisions: Millions of birds die each year colliding with glass on buildings, which they often cannot see.
- Light Pollution: Artificial night lighting disorients nocturnal migrants, pulling them off course and making them vulnerable to collisions.
- Habitat Loss: Urban sprawl replaces native plants, wetlands, and forests—essential feeding and resting areas—with lawns and concrete.
- Pesticides and Cats: The use of harmful chemicals and attacks by domestic cats contribute significantly to bird mortality.
A Call for Coexistence
This year’s theme is a direct call to action, urging city planners, businesses, community groups, and individuals to adopt practices that foster a healthy coexistence between people and birds.
“This year’s theme, “Shared Spaces,” reminds us that protecting migratory birds requires working together across communities, from bustling cities to rural villages, to create a healthier planet for people and for wildlife to coexist. By creating bird-friendly spaces with sustainable practices like thoughtful urban planning and land management, we can tackle habitat loss, climate change, and other challenges we all face together,” said Susan Bonfield, Executive Director of Environment for the Americas (EFTA). “World Migratory Bird Day is a reminder of the shared responsibility we have to care for our planet. It’s about inspiring a sense of wonder, connection, and stewardship for the natural world and the birds in our skies. Together, we can create a world where cooperation, like our birds, transcends borders and leads to a brighter, unified future.”
How Communities Can Help
Experts emphasize that simple changes can have a profound impact on bird survival:
- Go Native: Planting native trees, shrubs, and wildflowers provides crucial food (insects, berries, and seeds) that migratory birds rely on for energy.
- Dim the Lights: Turning off non-essential lights, especially during the peak spring and fall migration seasons, helps prevent birds from being disoriented.
- Make Windows Visible: Applying decals or films to windows can help birds see the glass and avoid deadly collisions.
- Protect Pets: Keeping domestic cats indoors or supervised significantly reduces one of the largest human-caused sources of bird mortality.
The global conservation effort aims to ensure that future generations can continue to witness the miracle of bird migration, reinforcing the message that our shared spaces can support both a thriving human population and a healthy natural world. The campaign will continue to advocate for conservation through its second celebration on October 11, 2025.
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