The Origins of Hummingbirds Are Still a Major Mystery
July 12, 2018 —
There is a dazzling diversity of the tiny birds in the Americas, but recent discoveries trace their evolution back to Europe—where today there are no nectar-feeding species.
Is It Okay to Remove Cowbird Eggs From Host Nests?
June 06, 2018 —
It can be tempting to interfere with these brood parasites. But there are many reasons—legal and behavioral—to leave tampering to the pros.
March 20, 2017 —
Native to the American Southwest, Elf Owls are slightly larger than a soda can, but that doesn't stop them from being determined predators.