Ruby-throated Hummingbirds
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The Ruby-throated Hummingbird, Archilochus colubris, is a small hummingbird. It is 7-9 cm long with an 8-11 cm wingspan, and weighs 2-6 g.
Adults are metallic green above and greyish white below. Their bill is long, straight and very slender. The adult male, shown in the photo, has a glossy ruby red throat patch and a dark forked tail. The female has a dark rounded tail with white tips and no throat patch, though she may sometimes show light spotting on her throat.
The breeding habitat is open areas throughout most of eastern North America and the Canadian prairies. The female builds a nest in a protected location in a shrub or tree. Both males and females of any age aggressively defend feeding locations within his or her territory. The aggressiveness becomes most pronounced in late summer to early fall as they fatten up for migration.
The Ruby-throated Hummingbird is migratory, spending most of the winter in Mexico or Central America.
These birds feed on nectar from flowers and flowering trees using a long extendable tongue or catch insects on the wing.
Due to their small size, they are vulnerable to insect-eating birds and animals. These birds require frequent feeding while active during the day and sometimes become torpid at night to conserve energy. This is the only hummingbird commonly found in eastern North America.
Females lay two white eggs averaging 12.9 by 8.5 mm.
Source: Wikipedia.org
Related Websites: Birds of Nova Scotia ... Ruby-throated Hummingbirds Stop for Fuel (Southward Journey of the Hummingbirds) ... USGS ... Ruby-throated Hummingbird (Birdzilla)
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