Calliope Hummingbird Identification and Size Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny.

Of the 366 species and 112 genera of hummingbirds living in the western hemisphere, fewer than two dozen types migrate to the ...

As of Feb. 4, ruby-throated hummingbirds have been sighted in Key Largo and Gainesville, Florida, according to Hummingbird ...

Like a crown jewel, a hummingbird nest is one of the great wonders in all of nature. They are so tiny, so perfect. Yet, few ...

Several hummingbirds have already been spotted in southern U.S. states. Here's when to expect them in New York.

It's a bit early to start seeing hummingbirds in New York, but they have begun their spring migration into the southern U.S. states and will continue to make their way north over the next few months.