working in Seoul Roles performed by dogs that sometimes sees them classified as working dogs include: •
Assistance or service dog, trained to help a disabled person in some way, such as
guiding a visually impaired person, providing
mobility assistance, and
psychiatric service. Often overlap with
therapy dog historically used to provide protection to carriage passengers or merchandise •
Detection dog traditionally used to pull small carts. Now survive in modern age as a novelty or in carting sport. •
Guard dog, trained in combat, or used scouts, sentries, messengers,
mercy dogs, and
trackers •
School dog, different from assistance or service dogs and trained for animal-assisted education •
Search and rescue dog •
Working terrier, a
terrier bred to hunt small
mammals, such as
badgers,
foxes, and
rats ==Kennel club classification==