How do Rat Terriers typically behave around people they are not familiar with initially?

Answer

They can be somewhat reserved or cautious.

While devoted to their family, Rat Terriers are noted to be somewhat reserved or cautious around strangers initially, which contributes to their watchdog capabilities.

How do Rat Terriers typically behave around people they are not familiar with initially?
DogpestbreedcompanionRat Terrier