While often portrayed as mortal enemies, cats and dogs can not only live together in harmony but become best friends a 2020 ...

"This is amazing to see and they're both absolute beauties," one viewer posted. "They're matchy matchy," another added.

When introducing a new furry friend to a pet that is already part of the household, reactions can range from instant friendship to cautious curiosity — or even outright confusion. One pet parent ...