Sealyham Terrier: These small terriers have seen a sharp decline in numbers due to their declining popularity as family pets.
Otterhound: Otterhounds are a rare breed primarily used for hunting otters, and their numbers have dwindled over the years.
Curly-coated Retriever: These dogs, known for their distinctive curly coat, are considered one of the rarest retriever breeds in the UK.
Glen of Imaal Terrier: The Glen of Imaal Terrier is a lesser-known terrier breed that faces a risk of declining numbers.
Bloodhound: Bloodhounds are a unique and historic breed used for tracking scents, but their popularity has declined.
Sussex Spaniel: This spaniel breed is rare and faces challenges in maintaining its population.
Irish Water Spaniel: While popular in Ireland, the Irish Water Spaniel is rarer in the UK, leading to concerns about its future.