This hummingbird species has no striking plumage ... The calliope hummingbird is the smallest in all of North America. It is about three inches long and weighs one-tenth of an ounce.

It's the time of year when scientific organizations take a look back at some of the most amazing new animals, plants, fungi ...

After fall migration ends, many North American residents pull their hummingbird feeders in for the season. But when is the ...

A common species ... many “western” hummingbirds, the broad-tailed is increasingly found in late fall and winter in the southeast. Polytypic (2 ssp.; nominate in North America).

This hummingbird breeds in eastern North America and is the only hummingbird species to do so. Males establish a territory and court females who enter it with flying and diving behaviors ...

The only species of hummingbird that typically nests east of the Mississippi River in North America, ruby-throated hummingbirds are known for the striking ruby-red throat patch (found in males ...

Some volunteers trap the birds while others identify the species, record fat levels and other indicators of overall health, note whether the bird carries an egg, and attach the tiny tracking band.

The male of the species has a dark blue neck and a white breast with a black stripe A new species of hummingbird has been spotted and identified in Ecuador by a multinational team of ornithologists.

Fourteen orange-headed bird species are showcased for their ... found in western North America. Rufous Hummingbird (Selasphorus rufus) Small with an orange-rufous head, iridescent red throat ...

The species ... Anna’s hummingbirds, named after Anna Masséna, duchess of Rivoli, are native to western coastal regions of North America. The mixed habitats of the UC Santa Cruz Arboretum ...