This bird has been around our garden for a couple of weeks, I have not managed to get very close but it looks like a white black bird.It will enlarge if you click on the picture
(http://img147.imageshack.us/img147/5163/1000833gs4.th.jpg) (http://img147.imageshack.us/my.php?image=1000833gs4.jpg)
Could well be. For some reason, blackbirds and crows show albinism more often than other species. Maybe being all black, it's easier to spot.