Blutwurst is a German blood sausage
, and is particularly spicy and salty.
Blutwurst is a pure pork and pork blood sausage, being seasoned simply with salt and pepper and occasionally some garlic.
Blutwurst is almost always pre-cooked, but is often re-heated in the pan or on the grill. It is considered to be a "snacking" sausage, often eaten in the afternoon with a good bright lager.
research sources include germanways.com, The Cook's Thesaurus, about.com, and foodsubs.com