With fewer than 1,000 Otterhounds left worldwide, this ancient British breed is one of the rarest. Originally bred for otter hunting, their decline followed the ban on the sport.
Once favored by royalty, including Queen Victoria, Skye Terriers are now critically endangered due to their declining popularity as companion dogs.
This rare American sled dog breed has dwindled to just a few hundred worldwide, as modern sledding practices favor other breeds like Siberian Huskies.
Known for their distinctive long bodies and fluffy heads, Dandie Dinmont Terriers have struggled to maintain numbers due to low breeding rates and decreased demand.
Despite their loyal and gentle nature, Sussex Spaniels are among the rarest spaniel breeds, with fewer than 100 puppies registered annually
Once popular as hunting dogs, Field Spaniels have been overshadowed by other spaniel breeds like Cocker Spaniels and are now at risk of vanishing.
Known for their extraordinary tracking abilities, Bloodhounds are seeing a decline in numbers as modern technology replaces traditional scent-tracking methods.