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Cornell Lab eNews

September 14, 2025

An action-filled week saw migration on the upswing and birds of all shapes and sizes winging their way across the hemisphere. It's a wonderful time to find yourself in nature! 

Click or tap to watch a video about how ospreys hunt

How Do They Do It? Watch an Osprey’s Dive in Slo-Mo

Ospreys are the only raptors that can plunge all the way underwater and then take off again with a slippery fish (or two) in their talons. Filming for our new series Wild Birds Revealed, sponsored by OM SYSTEM, Russell and Tim Laman slow down the action to reveal in beautiful detail exactly how Ospreys fish.

Click or tap to check out the forecast for the upcoming migration nights

Map of the U.S. showing predicted migration intensity of nighttime migration for the night of Sept. 13. Forecast model by Van Doren and Horton 2023; BirdCast.org.

Migration Forecast Map 

More than a billion birds were cruising through the atmosphere above the U.S. last week, and last night's forecast showed birds are still on the move in big numbers. With autumn migration in full swing, now is the perfect time to get migration predictions, and to check in on what happened last night with BirdCast's migration dashboard.  

Click or tap to reveal the mystery bird

Mystery bird by Sasha Cahill / Macaulay Library.

What Bird Is This? 

If you live in the western U.S. or Canada, this low-key warbler could be moving through your area right now. This species lays low in dense thickets, shrubbery, willows, or other vegetation along wooded streams, where it forages for insects on foliage and on the ground. Do you know the species?

Walk leader Adé Ben-Salahuddin regards an "early" bird. Photo by Nicholas St. Fleur.

Tap or click to read about reduced bird deaths in Chicago

 Photo by Jessica Suarez. 

A Simple Solution to a Migration Decimation

It's been nearly two years since one of the worst bird-collision nights in Chicago history. New treatments on one building are proving that simple actions can have huge positive results for keeping birds safer.

Tap or click to read about biofluorescent birds

Red Bird-of-Paradise specimen under blacklight. Photo by Rene Martin. 

How to Glow-Up, from a Bird's Perspective

Some colorful birds are even more spectacular under the right lighting conditions. See how scientists discovered yet another amazing attribute of avian anatomy. 

Bird News and Resources

 

The How, Why, and Where of Bird Migration: Our primer on one of the coolest phenomena in the animal kingdom. 

 

Birding as Real-Life Pokémon Video Game: We loved this energetic video by photographer and YouTuber Potato Jet, featuring some great Merlin usage. The first 5 minutes are guaranteed to get you in the mood to get outside! 

 

Upcoming Free Webinar: Searching for Lost Birds: rediscoveries, extinctions, and the potential to find the remaining species. September 18 at 12:00 pm ET. Register.

Archived Webinar: Identifying Fall Warblers with Eric Ripma. Learn to identify 48 fall warbler species from across the U.S. and Canada. On sale now. 

 

Attend a Bird Festival: Festivals are a great way to enjoy birds and meet like-minded people. See our bird festival directory.

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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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