Hummingbirds, unique to the Americas, boast diverse adaptations. The sword-billed hummingbird's beak exceeds its body length, while the long-tailed sylph flaunts extravagant tail streamers for ...

From hummingbirds to cardinals, bird feeders to bird flu — here are more stories about the winged creatures we love to see in our backyards (and beyond). Eleven hummingbird species have been spotted ...