The world is full of poisonous creatures. Some butterflies, beetles and frogs use bright colors to warn birds and other predators that they’re full of toxins. But you might be surprised to learn that some birds are poisonous, too. Birds called Hooded Pitohuis carry toxins produced by a…

In 2022, ornithologists recognized the Chihuahuan Meadowlark as a separate species rather than a subspecies of the Eastern Meadowlark. Named after the northern region of Mexico where they're easy to find, Chihuahuan Meadowlarks live in dry desert grasslands. They form a distinct population…

The Magellanic Plover is known for being a bit of an oddball. These shorebirds have a round body like a dove and even feed their young with milk produced in a part of their digestive system called the crop — a rare trait they share with doves. But genetic data revealed that Magellanic…

Tracking devices revealed that Black Swifts spent over 99% of their time in the air during the winter, almost never touching the ground for months. What’s more, the swifts flew to incredible heights, reaching the highest altitudes on nights when the moon was full – sometimes over 13,000…

While many birds have hollow bones that make flying a breeze, diving birds are built differently. The bones of divers such as Common Loons are denser than those of songbirds and other expert fliers. With a lightweight skeleton, they’d be too buoyant to dive and chase fish. Instead, loons…

Project FeederWatch is a community science project studying over 100 species of birds that spend their winters in North America. From November through April, people count the birds they see at a bird feeder, whenever and wherever they’re able, and submit their bird list to the project.

Over the course of four days in February, the Great Backyard Bird Count gathers heaps of info about birds all over the world — and helps people connect with their local birds. Anyone can participate with the Merlin Bird ID app. And if you’re familiar with your neighborhood birds, you can…

In the Salt Flats of Cabo Rojo, Puerto Rico, the Indigenous Taino people found a way to harvest salt long before Europeans arrived. But this unique ecosystem isn’t just useful for sea salt production — the salty lagoons are full of brine shrimp for shorebirds to eat. Local residents banded…

Organized by the Cornell Lab of Ornithology, Project NestWatch is made up of volunteers around the world who monitor bird nests, reporting whether the birds successfully raise their young. Joining the project involves a bit of online training, finding a nearby bird nest, and briefly…

En Puerto Rico hay un área de lagunas salinas, salinas y manglares donde los humanos han extraído sal por más de 500 años. Por lo general, describimos el efecto de la actividad humana sobre el medio ambiente como negativo. Pero las aves migratorias que comen y descansan en uno de los…