Ilonggos (and Visayans as a whole) often refer almost anything "native" as bisaya. Mostly vegetables and fruits - like small onions which usually packs more flavour than big ones. But nothing comes to mind first, when referred to as bisaya, than native chickens and their eggs. 
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Free range or just native chickens are those usually found wandering across one's backyard and crowds whenever they sense food. These chickens usually makes very tasty inasals, tinolas, binakols and a host of other chicken dishes since they pack a lot of flavour compared to the ones referred to as "broilers". Just minimal seasoning for one to enjoy the full flavour of these chickens.
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PS: I just decided to have this entry because of the fact that I got this photo of a native chicken laying her egg atop an airconditioning unit - lol.