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Tuesday, March 30, 2010

Birds - USA

0915 PM - 30-3-2010
                                                                    Humming Bird


 Today I am posting a beautiful FDIC of USPS depicting humming bird. It is date stamped on 15-6-1992 at Washington DC 20066.  The stamp cancellation itself is designed like a humming bird. The picture on the stamp is Costa’s humming bird. On the left side of the cover, the replicated 22K gold humming bird is show cased in a plastic capsule with velvet cloth back ground. This is one of the jewels in my albums. Thanks Mr. Hemant

Hummingbird belong to the family of Trochilidae. This is one of the smallest bird and also among the extant small birds species, the Bee Hummingbirds. They can hover in mid-air by rapidly flapping their wings 12–90 times per second and it depends on the species. They can also fly backwards, and are the only group of birds able to do so. Their English name comes from the characteristic hum made by their rapid wing beats. They can fly at speeds exceeding 15 m/s (54 km/h, 34 mi/h). Most hummingbirds have bills that are long and straight or nearly so, but in some species the bill shape is adapted for specialized feeding. Thorn bills have short, sharp bills adapted for feeding from flowers with short corollas and piercing the bases of longer ones.



Hummingbirds are found natively in the Americas, from southern Alaska to Tierra del Fuego, including the Caribbean. The majority of species occur in tropical and subtropical Central and South America, but several species also breed in temperate areas. Only the migratory Ruby-throated Hummingbird breeds in continental North America east of the Mississippi River and Great Lakes. The Black-chinned Hummingbird, its close relative and another migrant, is the most widespread and common species in the western United States, while the Rufous Hummingbird is the most widespread species in western Canada.

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