Terrier is a type of dog rather than a single breed. The name comes from the Latin terra, meaning earth, because these dogs were developed over several centuries to hunt rats, foxes and other vermin, often by following them into burrows. Listings use the label for terrier-like dogs of uncertain ancestry, often mixes of Jack Russell, Rat, Cairn, Schnauzer or Chihuahua lines.
Most adoptable terriers are small to medium, with wiry or smooth coats and a lively, confident outlook. Many are loyal and affectionate, though barking, digging, chasing small animals and a stubborn streak are common. In Palm Springs, that digging and chasing instinct matters most around desert yards and washes, where a secure fence and a leash keep a curious dog safe. Size, coat and energy vary with ancestry, so meeting the dog tells you more than the label.