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. In fact, Eric Rasmussen, avian scientist at the ...

There are two species of streamertail hummingbirds on the island of Jamaica, West Indies—one with red-billed males (Trochilus polytmus) and the other with black-billed males (T. scitulus). This is a ...

It’s about 3 inches long and weighs as much as a penny. But a calliope hummingbird is a tough little bird. It can fly up to 5,600 miles in a year. Despite its tiny stature, the smallest bird native to ...

Hummingbirds will start to make an appearance in Iowa again now that the weather's warming up. So, keep your eyes peeled for the ruby-throated hummingbird, which is Iowa's smallest bird species, ...