Northern Cardinals are known for their iconic red feathers, yet that scarlet hue is actually derived from yellow pigments in their food. Most cardinals’ bodies transform those yellow pigments into their signature shade of red, but some lack this ability — resulting in a bright yellow bird…

Collecting data on wild birds is crucial for their conservation. But it requires huge amounts of effort. One way to help streamline the process is with gizmos called autonomous recording units, or ARUs. For days or months, these recording devices eavesdrop on the environment around them…

Every year, hundreds of bird species migrate between North and South America. Some species likely evolved from ancestors that moved north in search of new breeding habitats: the “southern home” hypothesis. But others may have extended their winter ranges south: the “northern home”…

Avian flu, better known as bird flu, has been in news headlines all of 2024. Still, many questions remain for the general public. What is it? What’s causing it? How is it spreading? And how serious should we be taking this public health matter? Our co-hosts Purbita Saha and Deja Perkins…

As a young child, Kenn Kaufman ventured into his neighborhood in search of the tigers, bears, and dinosaurs, but quickly found that Indiana doesn’t have those. So he set his sights on the next best thing: figuring out which birds were in his family’s yard. Though he’s now a world renowned…

An online tool called BirdNET uses artificial intelligence to identify bird songs and calls. And Cornell’s well-known Merlin Bird ID app now has sound ID, too. It’s as simple as opening the app, choosing “Sound ID,” and hitting record. It can pick out multiple species in the same recording…

During migration, Snow Geese gather in the tens of thousands. They coordinate their movements, flying in a big, compact flock, which makes it harder for a predator to pick off a single bird. It is truly something to see.

Since 1976, Project FeederWatch has been through many changes and iterations. But what has remained is the dedication to collecting data that undeniably improves bird science. In this episode, host Deja Perkins speaks with Emma Greig, the U.S. Project Leader for FeederWatch, about what…

Long, upward slopes called escarpments offer a good chance of seeing some of the many raptor species found in Belize. Shaped like a compact Red-tailed Hawk, White Hawks are white overall with black markings and scan the landscape for reptile prey. Bat Falcons have a darkly barred chest and…

A female Wood Thrush will carefully choose each piece of nest-building materials because her eggs will depend on it for warmth and protection. But even the best-made nest couldn’t exist without the support of a sturdy shrub or tree. Much like a bird’s nest, BirdNote depends on having a…