Feather flashcards

Question	Answer	Article
What is the collective name for the covering of feathers on a bird?	Plumage	Link to Article
What are the principal functions of feathers?	Flight, insulation and waterproofing	Link to Article
What are featherless areas of skin termed?	Apteriae	Link to Article
The shaft is the combination of the...?	Rachis and calamus	Link to Article
Biochromes are...?	Colour pigments deposited at the time of feather development	Link to Article