Canizie is the white head gene. Birds that possess the white head gene can be anyWhat is a "canzie duck"? I have never heard of it. Googled it and nothing came up.
Mandy
color as well as pied. Young or juvenile white head birds will appear to be solid birds with a few white
feathers located on the head/neck. With each subsequent molt, the white will increase until the bird's
entire head is mainly white. http://www.muscovyduckcentral.com/genetics.html