Plus: A great-news story about bird collisions, a first look at the new Great Horned Owl chicks, DIY solutions to help birds avoid windows, a quiz bird, and more!
Migratory birds are taking flight across the globe! Find out when to expect big numbers, and learn about easy ways to help them along on their journeys.
A new model shows migration as volleys of dots moving across the hemisphere. Each color represents a different species.
Watch: Bird Migration Sweeps the Hemisphere in Stunning Visualization
Each spring, hundreds of migratory bird species stream northward, returning from their wintering grounds in Central and South America. This animation, based on real bird observations, offers a beautifully detailed glimpse into one of nature’s most inspiring phenomena. See the full animation and find out when migration through the U.S. will crest near you.
Mystery bird by Adam Brandemihl / Macaulay Library.
What Bird Is This
This unassuming bird can be seen across North America during migration and is more common in the West than the East. It's a variable mix of yellow and gray with no real standout markings. Note the classic warbler shape, sharply pointed bill, and warmer yellow tones under the tail. Its namesake head marking only makes an appearance when the bird is agitated or excited. Do you know the name of the species?
Window treatment at McCormick Place in Chicago. Photo by Daniel Sheire
Great News! A Simple Action Drastically Reduced Bird Collisions at an Infamous Windy City Building
In autumn 2023, nearly 1,000 birds died in a single night at a single building along Chicago's waterfront. In 2024, after the building's owners applied simple white markers to the windows, collisions were down by 95% over previous years. Window treatments really do work: read the inspiring story.
More than 1 billion birds die from glass collisions every year in the United States alone. The Bird Collision Prevention Alliance offers easy, inexpensive (and fun!) DIY solutions to make your glass safer day and night. Start your project today!
Owlets + mom on the Great Horned Owl Cam.
Watch a Mama Owl Feed Two Tiny Owlets
At just 3 and 5 days old, the fuzzy owlets on our Great Horned Owl cam in Texas haven't even opened their eyes yet. So the mom, Athena, carefully tears prey into small pieces to feed them. Watch the adorable clip.
Are You Ready for the Beach? As far as we're concerned, the best way to prepare for summer is to be sure you can identify common gulls. Take this fun, replayable quiz and see how you do!
Attend a Bird Festival: Festivals are a great way to enjoy birds and meet like-minded people. See our bird festival directory.
Join Our Flock, or Spread Joy to a Loved One: By becoming a Cornell Lab member, you'll support our conservation work, free resources like Merlin and eBird, and you'll receive our award-winning quarterly magazine, Living Bird. Join today or give a gift membership.
The Cornell Lab of Ornithology is a membership institution dedicated to interpreting and conserving the earth’s biological diversity through research, education, and citizen science focused on birds.
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