You Can Help Protect Migrating Birds!
The Threat
Every spring and fall, billions of birds migrate through North America. In fact, over 80% of migratory species in North America migrate at night.
Along their migration route lies a deadly combination: artificial light and glass.
Artificial light not only interrupts migratory paths and disrupts natural behaviors, it also attracts migrating birds into areas where they are doubly at risk of death by collision with glass in buildings and structures.
Over one billion birds die annually in the U.S. from collisions with glass. U.S. bird populations are declining rapidly, with 1 out of every 4 birds lost since 1970.

The solution to this threat requires collective action. We must all act now to protect migratory birds, and contribute to reversing this decline.
The Solutions
Click on one of the images below to learn more about specific action you can take to help protect migratory birds.
To learn more about collision prevention and the many organizations working on protecting birds from glass, go to the Bird Collision Prevention Alliance (BCPA). There are also Lights Out programs in over 30 cities in North America that are working to reduce light pollution in their communities. Find a Lights Out program near you!
Scientific Team
BirdCast is made possible by the participating scientists at the below institutions, and many other contributors.





