Czechoslovakian Wolfdog, also known as Czech Wolfdog, Slovak Wolfdog, Czechoslovakian Vlcak etc is a relatively new breed. The breed was originally used for military work. Gradually, people started recognizing this wolf-dog hybrid’s other talents like herding, search and rescue, tracking, agility, obedience and so on.
chien loup tchécoslovaque - Google Search
Remember this picture?
... and sometime human's heart is big as well.... Remember this picture?