You’ll know it’s a male rufous hummingbird (Selasphorus rufus) if you see its back completely covered with coppery orange feathers. Males are reddish brown on the back, base of crown and most of the ...

CU Boulder researcher analyzes 50 years of data to show the relationship between certain birds’ unorthodox behavior and their traits Hummingbirds are iconic, easily recognized by their plumage, ...

The male Allen’s hummingbird has warm rusty-orange flanks, breast band, face, neck, and tail, as well as a green back and crown. They often have a rusty-orange rump, and sometimes show rusty-orange at ...

North Carolina’s most common hummingbird — the Ruby-throated hummingbird — is slated to make an appearance this month, but if you spotted a hummingbird in the last few months, it may have been a rare ...

Explore an interactive avian tree of life that reveals how 11,000 bird species are connected through millions of years of ...

Whether sipping nectar from flowers and zipping through the air, hummingbirds are a sure sign of spring in California. The itty-bitty birds are busy breeding and building nests, which means there are ...

Some hummingbirds will embark on their fall migration, a move tracked by birdwatchers nationwide who are eager to spot these tiny birds fluttering in their gardens or to their feeders. But ...

Whether sipping nectar from flowers and zipping through the air, hummingbirds are a sure sign of spring in San Luis Obispo County. The itty-bitty birds are busy breeding and building nests, which ...