, 26 September 2014 (UTC) 

 ::::::Articles are already about both. That is the situation at hand! There is no need to request merge (nor to split). 
 ::::::And please think about the reader here! Sebright Bantams and Sebright (chicken) are both fine. The inexpedienced reader is likely not to know, what to expect with Sebright Bantams; Sebright (chicken) is better, on this one (WP:PRECISE)   11:13