The Kerry Blue Terrier is a medium-sized dog known for its striking blue-grey coat, which is soft and wavy. Originally bred in Ireland for hunting and herding, this breed is agile, intelligent, and loyal. They are known for their playful nature and strong protective instincts, making them excellent companions.

The Kerry Blue Terrier is native to Ireland, specifically the County Kerry region.

The Kerry Blue Terrier is historically adapted to the rural and agricultural environments of Ireland. This region is characterized by a temperate maritime climate, with mild, wet winters and cool, damp summers. The landscape is often lush, featuring rolling hills, pastures, and bogs.

Originally bred as a versatile working dog, the Kerry Blue Terrier was used in a variety of roles including hunting small game, herding livestock, and guarding property. Its ecological niche in its native environment involves functioning effectively as a farm and working dog, capable of thriving in the diverse and often rugged terrain of rural Ireland.