What are the best dog treats that dogs will eat? Blackdog have prepared a range of tasty, natural dog treats that will satisfy even the pickiest of dogs. Made right here in Australia, the roo tails are between 15-20cm in length. Blackdog's kangaroo tail dog treats are high in protein, low in fat and will keep the dental health of your pet in tip top condition! A 'paw-fect' choice for your pooch!