What is an alula and what is its function in flight?
The alula is a small structure located at the joint between the hand-wing and arm-wing of birds and is known to be used in slow flight with high angles of attack such as landing. It is assumed to function similarly to a leading-edge slat that increases lift and delays stall.
What does the word alula mean?
bastard wing
The alula /ˈæljʊlə/, or bastard wing, (plural alulae) is a small projection on the anterior edge of the wing of modern birds and a few non-avian dinosaurs. The word is Latin and means “winglet”; it is the diminutive of ala, meaning “wing”.
What are alula feathers?
The alula of a bird is a small free-moving structure between the “hand” and “arm” wing, sometimes called a thumb. The feathers attached to that thumb are called the alula feathers, or winglets. In typical flight these feathers will be flush against the wing.
What is the common name of the alula?
The alula is commonly referred to as the “bastard wing” – one of several definitions of the word bastard is “of abnormal shape or irregular size“.
Why is alula important?
AlUla was also capital of the ancient kingdoms of Dadan and Lihyan, which controlled the caravan trade. Hegra, a UNESCO World Heritage Site, was the principal southern city of the Nabataean kingdom, famed for its spectacular monumental tombs.
What function does the alula serve?
SUMMARY. —On the role of the alula on the steady flight of birds. The alula is a high lift device located at the leading edge of the birds wings that allows these animals to fly at larger angles of attack and lower speeds without wing stalling.
How do you pronounce alula?
55 second clip suggested1:00How To Say Alula – YouTubeYouTube
What does Alaula mean in Hawaiian?
light of dawn
a-lau-la. Origin:Hawaiian. Meaning:light of dawn or sunset glow.
What does alula mean in Arabic?
First born
In Arabic Baby Names the meaning of the name Alula is: First born.
How old is alula?
History. The walled city of Al-‘Ula was founded in the 6th century BC, an oasis in the desert valley, with fertile soil and plenty of water. It was located along “Incense Road”, the network of routes that facilitated the trading of spices, silk and other luxury items through Arabia, Egypt and India.
Who is Alula Solomon?
A Facebook image in which Alula Solomon, the chief executive officer of Tigray Media House (TMH), purportedly shows solidarity with Oromo political parties is ALTERED. The photo of Alula used in the claim depicts him wearing a T-shirt that has the Tigray region and the Oromo Liberation Front party’s flag.
What is the function of contour feathers?
Contour feathers (including the flight and tail feathers) define the body outline and serve as aerodynamic devices; filoplumes (hair feathers) and plumules (down feathers) are used principally as insulation, to conserve body heat. Colours and patterns in feathers serve as protective coloration or for sexual…
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What is the alula-Trek?
The alula-TREK is the latest version of the the world’s most popular bird-inspired RC glider. The ultra lightweight and packable airframe is perfect for travel and exploration, assembling in minutes without glue! Whether at a a coastal dune, mountain ridge, or your local park- the only limit is your soaring imagination.
