The violetears are

hummingbird Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics aro ...

s of the genus ''Colibri''. They are medium to large species found in Mexico, and

Central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known as ...

and northern South America. The

Mexican violetear The Mexican violetear (''Colibri thalassinus'') is a medium-sized, metallic green hummingbird species commonly found in forested areas from Mexico to Nicaragua. This species, together with the lesser violetear were previously considered conspecifi ...

occasionally wanders as far north as the United States and even Canada. Violetears have ample rounded tails and short or medium black bills. Three of the four species have a mainly green

plumage Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...

. The males have a violet blue patch running back and down from the eye, which is erected when they are excited, and a glittering throat patch. The female plumage is generally like the male's, but the ear and throat patches are smaller. Violetears build substantial cup nests into which two white eggs are laid. They have loud persistent songs, often repetitions of double notes. These birds come readily to artificial nectar feeders, and show no fear of humans. They are aggressively territorial, and at feeders or flowering shrubs they spend much time chasing other hummingbirds, rather than feeding.

Species

The genus contains five species:

References

* Hilty, '' Birds of Venezuela'', * Stiles and Skutch, ''A guide to the birds of Costa Rica'' *Birds of the World, 1999 Edition {{Taxonbar, from=Q221209