What is the difference between pork ribs and bacon ribs?

Baby back ribs are pork ribs that are smaller in size.

Most UK butchers think that a baby back is small cut of ribs. For BBQ aficionados and classically trained butchers baby back ribs are a special cut of pork rib, taken from the rib portion closest to the spine alongside the loin. A picture of the various cuts can be found on the following site

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