Picture a summer getaway at a free Airbnb in Delaware, but you arrive to discover there's no sugar water in the fridge. Welcome to the world of hummingbirds. Life would be more relaxing for these ...

Hummingbirds are back in Pennsylvania after their annual southern vacation, so you should be seeing these small birds flitting around the yard by now. Gardeners like hummingbirds not only for their ...

In a remote mountain cave in Ecuador, hummingbirds were discovered sleeping and nesting together. By Rachel Nuwer Hummingbirds are tiny and delicate, but don’t be fooled: They are among the most ...