Jack Russell terriers are tough, tenacious, athletic, and super friendly. This energetic dog was bred to be a working dog and still displays the cleverness that made it a highly-sought after hunting dog back in the early 19th century. (1/15) by Judy Powell September 4, 2020, 8:48 am Credit Judy Powell 0 Previous 1/15 Next View full list See more Previous article Good night everybody! Next article What a calm gentle monster that never bites Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.