Rafeiro do Alentejo Dog Breed
| Rafeiro do Alentejo Quick Facts | ||
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| Breed Group: | Not Akc Recognized | |
| Origen: | Portugal | |
| Nickname: | Rafy | |
| Weight: | 100-132 lbs | |
| Height: | 25-28 inches | |
| Color(s): | Brindle, black, fawn, yellow, wolfgray; Markings of spotted white, black mask. | |
Rat Terrier Dog Breed
| Rat Terrier Quick Facts | ||
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| Breed Group: | Terrier | |
| Origen: | United States | |
| Nickname: | American Rat Terrier, Ratting Terrier,Feist, Decker Giant | |
| Weight: | 12-35 lbs | |
| Height: | 14-23 inches | |
| Color(s): | Red and white, tri-spotted, solid red, black & tan, blue & white and red brindle | |
Redbone Coonhound Dog Breed
| Redbone Coonhound Quick Facts | ||
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| Breed Group: | Miscellaneous Class | |
| Origen: | United States | |
| Nickname: | Reds | |
| Weight: | 50-70 lbs | |
| Height: | 21-27 inches | |
| Color(s): | Solid Red | |
Rhodesian Ridgeback Dog Breed
| Rhodesian Ridgeback Quick Facts | ||
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| Breed Group: | Hounds | |
| Origen: | Rhodesia | |
| Nickname: | African Lion Dog, African Lion Hound | |
| Weight: | 70-85 lbs | |
| Height: | 24-27 inches | |
| Color(s): | Light wheaten to red wheaten; nose can be black, brown or liver | |
Rottweiler Dog Breed
| Rottweiler Quick Facts | ||
 Rottweiler Details |
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| Breed Group: | Working | |
| Origen: | Germany | |
| Nickname: | Rottie, Rott | |
| Weight: | 80-135 lbs | |
| Height: | 22-27 inches | |
| Color(s): | Black with tan markings | |
Russian Wolfhound Dog Breed
| Russian Wolfhound Quick Facts | ||
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| Breed Group: | Hounds | |
| Origen: | Russia | |
| Nickname: | Barzoļ, Russian Wolfhound, Russkaya Psovaya Borzaya, Psovoi | |
| Weight: | 60-100 lbs | |
| Height: | 26-28 inches | |
| Color(s): | May be solid or mixed. White, gray, tan, or golden. | |