News tagged with hummingbird

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Scientists study hummingbirds flight to develop self-propelled surveillance devices

Technology / Engineering

created Dec 16, 2009 | popularity 3.8 / 5 (5) | comments 1

The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.


Sierra Nevada birds move in response to warmer, wetter climate

Sierra Nevada birds move in response to warmer, wetter climate

Biology / Ecology

created Sep 14, 2009 | popularity 3 / 5 (2) | comments 0

(PhysOrg.com) -- If the climate is not quite right, birds will up and move rather than stick around and sweat it out, according to a new study led by biologists at the University of California, Berkeley.


Anna's Hummingbird

Long, sexy tails not a drag on male birds

Biology / Plants & Animals

created Mar 12, 2009 | popularity 4.5 / 5 (2) | comments 0

The long tails sported by many male birds in the tropics look like they're a drag to carry around and a distinct disadvantage when fleeing predators, but experiments by University of California, Berkeley, ...





Search results for hummingbird


Researchers discover hummingbird secret

Researchers discover hummingbird secret

Biology /

created Nov 29, 2006 | popularity 4.1 / 5 (27) | comments 1

University of Alberta researchers have pinpointed a section in the tiny hummingbird's brain that may be responsible for its unique ability to stay stationary mid-air and hover.


Anna's hummingbird chirps with its tail during display dives

Anna's hummingbird chirps with its tail during display dives

Biology /

created Jan 30, 2008 | popularity 4.4 / 5 (14) | comments 0

The beeps, chirps and whistles made by some hummingbirds and thought to be vocal are actually created by the birds' tail feathers, according to a study by two students at the University of California, Berkeley.


Boeing A160 Hummingbird

Boeing A160 Hummingbird Completes Flight Test

Other Sciences /

created Dec 06, 2005 | popularity 4 / 5 (13) | comments 0

Boeing has announced the A160 Hummingbird unmanned rotorcraft made its first test flight from an airfield near Victorville, Calif., Nov. 30. "This flight - the first with a six cylinder Subaru engine - is an ...


Hummingbird flight an evolutionary marvel

Hummingbird flight an evolutionary marvel

Other Sciences /

created Jun 22, 2005 | popularity 4.2 / 5 (12) | comments 0

Humans with an appreciation of beauty may have marveled for millennia at the artistry of a darting hummingbird, but scientists announced today that for the first time they can more fully explain how a hummingbird ...


Study of flower color shows evolution in action

Study of flower color shows evolution in action

Biology / Evolution

created Jun 29, 2009 | popularity 4.4 / 5 (5) | comments 3

Scientists at UC Santa Barbara have zeroed in on the genes responsible for changing flower color, an area of research that began with Gregor Mendel's studies of the garden pea in the 1850's.


Group says 3 more birds close to extinction

Biology / Ecology

created May 14, 2009 | popularity not rated yet | comments 0

(AP) -- An Ethiopian lark, a Galapagos finch and a spectacularly colored hummingbird only recently discovered in Colombia have been added to the list of the world's most threatened species, an environmental group said Thursday. ...


Dutch researchers take flight with three-gram 'dragonfly'

Dutch researchers take flight with three-gram 'dragonfly'

Technology / Engineering

created Jul 22, 2008 | popularity 4.7 / 5 (35) | comments 5

(PhysOrg.com) -- On Wednesday 23 July, TU Delft will be presenting the minute DelFly Micro air vehicle. This successor to the DelFly I and II weighs barely 3 grams, and with its flapping wings is very similar ...


Electron filmed for first time ever

Electron filmed for first time ever

Physics / General Physics

created Feb 22, 2008 | popularity 4.5 / 5 (181) | comments 6

Now it is possible to see a movie of an electron. The movie shows how an electron rides on a light wave after just having been pulled away from an atom. This is the first time an electron has ever been filmed, ...


Flapping wing vehicle improves on the a helicopter

Flapping wing vehicle improves on the a helicopter

Technology / Engineering

created Dec 11, 2008 | popularity 4.6 / 5 (24) | comments 4

(PhysOrg.com) -- Since the days of Leonardo da Vinci people have tried to build machines that fly with flapping wings like a bird or an insect. Even in the jet age the idea remains attractive because such ...


Breathing easy: When it comes to oxygen, a bug's life is full of it

Biology /

created Apr 29, 2007 | popularity 3.9 / 5 (14) | comments 0

Because of new imaging technology, researchers are getting a better understanding of a physiological paradox: how insects, which have a respiratory system built to provide quick access to a lot of oxygen, can survive for ...



List of search results for hummingbird