Europe’s smallest bird of prey, the Eurasian pygmy owl, has now been confirmed in Spain for the first time, marking a westward expansion from the bird’s usual range. Researchers first captured the ...

Phoenix, Arizona — In a desert valley outside Tucson lives a fierce predator that weighs less than a deck of cards. The cactus ferruginous pygmy owl, which nests in the Sonoran Desert’s iconic saguaro ...