We are getting 4 Barred Rock Chickens and would like to allow them to free range our yard.  I am wondering if they would be able to get through our fence posts that we have surrounding our pool.  The spacing is just under 4" wide.  Here is a photo to help you see it.
		
		
	
	
		
 
	
	
		
			
		
		
	
				
			 
	 
	 
 
		 
 
		 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		