<P> Animal fibers are natural fibers that consist largely of particular proteins . Instances are silk , hair / fur ( including wool ) and feathers . The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk . Also very popular are alpaca fiber and mohair from Angora goats . Unusual fibers such as Angora wool from rabbits and Chiengora from dogs also exist , but are rarely used for mass production . </P>
name two fibres which are made of proteins
wool silk