The stereotype is that dogs and cats don’t like each other, but many times the two different animals can get along just fine. In Liverpool, England, rescuers found three kittens seriously ill and abandoned.

One kitten in particular was in danger of losing its eyesight unless it received a special serum that required blood. Jess Parr took her Great Dane to donate blood and bonded with the kitten. Even better, the Great Dane’s blood helped create the serum needed to save the kitten’s eyesight.

To read more about how a Great Dane saved a cat, click here.