Fun for the day: White ravens sighted in British Columbia, Canada
Yes, it is true.
While folklore insists that ravens be black, sometimes, colour genes just fall out. One good thing is that the phenomenon was not been attributed, in the linked article, to “Darwin” or “Evolution”. In areas where snow cover lasts many months, absence of colour genes can be a benefit, but it is unlikely to be so on Vancouver Island. My guess is that this is a passing phase.
Find out why there is an intelligent design controversy: