Thunder Sky Mastiffs

Thunder Sky Mastiffs breeds mastiffs in Palmdale, California, in the Antelope Valley region northeast of Los Angeles. Richard Greaver, known in the dog community as Dick, has been active in the show ring for close to three decades and holds a certified Mentor designation for mastiffs through the American Kennel Club.

The program is rooted in conformation and breed stewardship. Thunder Sky is a member of the Mastiff Club of America, the Antelope Valley Kennel Club, and the Tri-Valley Working Dog Club, reflecting a long-standing commitment to breed standards and the broader dog sport community. Those looking for mastiff breeders in California with a show and mentorship background will find that foundation central to how this program operates.

Alongside mastiffs, the kennel has expanded to include whippets, pointers, and otterhounds. Boarding and training services are also part of Thunder Sky's day-to-day operations, giving Richard hands-on experience with dogs of all temperaments and sizes.

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