Rump Feathers
From The Wajas Wiki
Rump Feathers are a type of DNA Mutation that can be added to a waja through use of Rump Feathers DNA. Rump Feathers cannot be obtained randomly through Mutation Pears. When adding Rump Feathers to an existing waja with a DNA, you may choose their color.
Rump feathers add feathers/extra fluffy fur around the base of the tail of a waja.
Mutation Appearance
All examples feature wajas with FF0000 (pure red) feathers. However, this mutation can come in any Hex Color except rainbow or chrome.