Yesterday evening I was out for a walk and saw something different, but couldn't fish my camera out quick enough. Today I visited the same spot and saw it again and was ready this time.
	
		
			
		
		
	
		
		
	
	
	
		
			
		
		
	
Can't see it? Zoom in for
	
		
			
		
		
	
	
		
			
		
		
	
A leucistic (female) blackbird. The white is due to some pigmentation deficiency. I have seen one before (and seem to recall 
@nickyboy told me what it was on these pages) but it was a few years ago.