Giant hummingbirds differ from hundreds of other hummingbird species in many other ways. “Everything about the giants is anomalous — they are not only far larger (two times or more) than the ...

By Ashley Strickland, CNN (CNN) — The world’s largest hummingbird has been hiding in plain sight for centuries — and scientists only discovered the species is distinct from another giant ...

The Giant Hummingbird of western South America is not one species but two, according to an international group of researchers. The northern population stays in the high Andes year-round while the ...

The Moth-Off: Readers post their own photos of giant, hummingbird-like moths Sphinx moths, nearly 4 inches across and as fast as 30 mph, are out in unusual abundance this year.

Researchers strapped tiny backpacks to hummingbirds to study migration and discovered the world’s largest hummingbird species is distinct from another type of giant hummingbird.

The Giant Hummingbird of western South America is not one species but two, according to an international group of researchers. The northern population stays in the high Andes year-round while the ...

Questions around the giant hummingbird of South America have persisted since naturalist Charles Darwin first observed them in 1834 during his expedition aboard the HMS Beagle.