This is partially because Otterhounds have never been numerous, and even in the early 20th century, when otter hunting was at the height of its popularity as a sport, the number of dogs was still small.
Seda põhjustab osaliselt see, et saarmakoerad pole kunagi olnud eriti arvukad ja isegi 20. sajandi alguses, mil saarmajaht oli oma populaarsuse kõrgpunktis, oli koeri ikkagi vähe.