Cattledeer

Bulldeer (Japanese Name) are a race in Tensura which are rarely seen however their meat is often seen such as during Festivals. An example of this is the Bulldeer Shish kabab's in which Rimuru is seen eating during Chapter 14 of the manga.

Appearance
Bulldeer, as the name suggests, appear to be a mix between a Bull (a cow) and a Deer. They are slightly smaller than Cows.

Trivia

 * They are known to be in the Great Forest of Jura.