How Do Hummingbirds Hover?

July 9, 2007 by  
Filed under Features

Hummingbirds are a bird species well known for their amazing aerobatic skills. You may see a hummingbird hovering at a flower having a drink of nectar. Its wings are a misty blur either side of it. In an instant, it might dart forward, sideways, backwards or even upside down, wings beating furiously at 50 to 80, or even more, beats per second. The number of beats per second varies according to the size and species of the bird. It has been reported that a hummingbird can travel at speeds of 30 to 60 miles per hour (50 to 100 km/h) and then abruptly stop and hover in one position. How do they accomplish these amazing aerobatic feats?

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The Marvelous Mechanics of Flight

April 16, 2007 by  
Filed under Features

Although airplane wings may be somewhat modeled after the wings of birds, the mechanics of bird flight are far more complex. A number of forces act on the flexible wings of a bird and are very different from those on the fixed wings of an airplane. Birds are highly specialized creatures and adapted for flight. They dominate the skies and occupy a unique niche in the environment.

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Sleepy Hummingbirds

January 1, 2007 by  
Filed under Features

Hummingbirds have incredibly busy days. Their heart is beating 1000 times a minute. This gets even mo repaid after the hummingbird starts flapping its wings 10-80 beats a second! In addition to buys days, hummingbirds need to keep their body temperature as high as 104 degrees Fahrenheit (or 40 degrees Celsius).

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Amazing Albatross – Birds

July 17, 2006 by  
Filed under Features

Travel far from land, and you may be lucky enough to see an Albatross. These huge seabirds have the longest wings in the bird species world – the Wandering Albatross’ skinny wings reach over 11 feet from tip to tip.

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