Another source said ravens are monogamous, life-long mates and thus would more likely mate with one of their own kinds for life. Together they would produce chicks that lack pigment as well. However it happens, it is beautiful and rare. Watch these videos for yourself and see... Additonal Source: http://www.digitaljournal.com/article/294246, youtube, http://www.vancouversun.com/opinion/Another+rare+white+raven+spotted+near+Qualicum+Beach/3236437/story.html
"... The birds are thought to be leucistic and not albino, the result of a genetic defect producing chicks lacking normal pigmentation."
Qualicum Beach, a beach and town on Vancouver Island British Columbia, is the home of some white ravens. According to one source,