News tagged with bird wing
Gene expression in alligators suggests birds have 'thumbs'
Biology /
Oct 03, 2008 |
4.8 / 5 (4) |
0
The latest breakthrough in a 120 year-old debate on the evolution of the bird wing was published in the open-access journal PLoS ONE, October 3, by Alexander Vargas and colleagues at Yale University, the University of Wis ...
Search results for bird wing
Rare black vulture in rehabilitation
Biology /
Mar 19, 2007 |
1 / 5 (1) |
0
A rare black vulture that lost its direction is being rehabilitated in Thailand at Kasetsart University's Kamphaeng Saen campus.
What determines the speed at which birds fly?
Biology /
Jul 17, 2007 |
4.2 / 5 (12) |
0
Aerodynamic scaling rules that explain how flight varies according to weight and wing loading have been used to compare general speeds of a wide range of flyers, from the smallest insects to the largest aircraft. ...
Bird sized airplane to fly like a swift
Jul 18, 2007 |
4.4 / 5 (51) |
0
Nine Dutch Aerospace Engineering students at the Delft University of Technology, together with the Department of Experimental Zoology of Wageningen University, designed the RoboSwift.
Winging it – bird watching with a difference
Apr 03, 2006 |
2 / 5 (1) |
0
If you enjoy wildlife programmes then you'll probably have seen bird's-eye view footage of flying, taken from cameras attached to birds. A research group from the University of Oxford has gone one step further: by attaching ...
To flap, or not to flap? Flapping wings can be more efficient than fixed wings, study shows
Sep 30, 2009 |
4.7 / 5 (10) |
4
(PhysOrg.com) -- According to a new Cornell study, an optimized flapping wing could actually require 27 percent less power than its optimal steady-flight counterpart at small scales.
In search of the original flapper... new theory on evolution of flight
Apr 06, 2009 |
5 / 5 (1) |
2
(PhysOrg.com) -- A Manchester scientist has put forward a controversial new way of tackling a typically Darwinian chicken and egg question - the evolution of flapping flight in birds.
Bat flight generates complex aerodynamic tracks
May 10, 2007 |
4.9 / 5 (27) |
1
Bats generate a measurably distinct aerodynamic footprint to achieve lift and maneuverability, quite unlike birds and contrary to many of the assumptions that aerodynamicists have used to model animal flight, ...
Micro flying robots can fly more effectively than flies
Aug 01, 2009 |
4.6 / 5 (9) |
3
There is a long held belief among engineers and biologists that micro flying robots that fly like airplanes and helicopters consume much more energy than micro robots that fly like flies. A new study now shows ...
Recipe for energy saving unravelled in migratory birds
Biology /
May 14, 2008 |
4.4 / 5 (7) |
0
Pointed wings together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence save a bird loads of energy during migration. This has been shown for the first time in free-flying wild ...
Birds migrate together at night in dispersed flocks
Biology /
Jul 07, 2008 |
4.3 / 5 (3) |
0
A new analysis indicates that birds don't fly alone when migrating at night. Some birds, at least, keep together on their migratory journeys, flying in tandem even when they are 200 meters or more apart.
List of search results for bird wing
