What is another word for bastard wing?
Pronunciation: [bˈastəd wˈɪŋ] (IPA) 
Bastard wing is a term used in ornithology to refer to a small projection on a bird's wing. It is also known as an alula. The function of the bastard wing is to provide extra lift and stability during flight. However, there are other synonyms for the term bastard wing that are used in different parts of the world. In Great Britain, it is commonly referred to as the spurious wing, while in Australia and New Zealand, it is known as the bastard or spiky tip. Other synonyms include the thumb feather, false wing, and speculum. Regardless of the name, the bastard wing plays an important role in the flight of birds and is a fascinating adaptation of these creatures.
