A blutwurst is blood sausage and, yes, it contains pig or beef blood. All god’s wursts got a place in the choir, some sing ...

Some boudin has a reddish hue; this is most likely boudin rouge (also called boudin noir), which is made with pig's blood, and is similar to blood sausage or black pudding. Boudin rouge may be ...

But there are many butifarra variations: One common version, for example, contains pork blood and resembles other kinds of black sausage, sometimes with the inclusion of rice in the filling ...