Have you ever wondered how birds can stay warm in the cold winter months? Common redpolls are a great example. These energetic foragers weigh less than 15 grams and can survive temperatures that ...

While sitting on my back porch one day during late afternoon, my leisurely pursuit was interrupted as a large and seemingly nervous flock of red-winged blackbirds happened to fly by my location. The ...

Just about anywhere you look, there are birds. Penguins live in Antarctica, ptarmigan in the Arctic Circle. Rüppell’s vultures soar higher than Mt. Everest. Emperor penguins dive deeper than 1,800 ...

Rich data on the global state of our feathered friends presents plenty of bad news—but also some bright spots. Researchers know better than ever how to help them. By Emily Sohn/Knowable Magazine ...