Great Dane Dog, Old English Sheepdog and Rottweiler Dog <br /> <br />** Great Dane Dog <br /> <br />* Scientific name: Canis lupus familiaris, <br /> <br />* Other names: Deutsche Dogge, German Mastiff, <br /> <br />* Nicknames: Gentle Giant, <br /> <br />* Origin: Germany, <br /> <br />* Higher classification: Dog, <br /> <br />* Size: Female: 71–81 cm, Male: 76–86 cm, <br /> <br />* Weight: Female: 45–59 kg, Male: 54–90 kg <br /> <br />* Life span: 6 – 8 years, <br /> <br />* Colors: Black, Mantle, Fawn, Brindle, Blue, Harlequin <br /> <br />* Temperament: Devoted, Reserved, Gentle, Friendly, Confident, Loving, <br /> <br />** The Great Dane is a large German breed of domestic dog (Canis lupus familiaris) known for its enormous body and great height. The German name of the breed is Deutsche Dogge, or German Mastiff. <br /> <br />*** The Great Dane is one of the world's tallest dog breeds. The world record holder for tallest dog was a Great Dane called Zeus (died September 2014; aged 5), who measured 112 cm (44 in) from paw to shoulder. Great Danes are known for seeking physical affection from their owners. <br /> <br />More info: https://en.wikipedia.org/wiki/Great_Dane <br /> <br /> <br /> <br />** Old English Sheepdog <br /> <br />Scientific name: Canis lupus familiaris, <br /> <br />Type: Mammal, <br /> <br />Diet: no data, <br /> <br />Origin: Great Britain, <br /> <br />Size: Female: 51–56 cm, Male: 56–61 cm, <br /> <br />Weight: Female: 27–36 kg, Male: 32–45 kg, <br /> <br />Life span: 10 – 12 years, <br /> <br />Group: Herd, <br /> <br />Temperament: Playful, Adaptable, Bubbly, Intelligent, Loving, Sociable, <br /> <br />** Old English Sheepdog, is a large breed of dog which was developed in England from early herding types of dog. The Old English Sheepdog can grow a very long coat, with fur covering the face and eyes. Obsolete names of the breed include Shepherd's Dog and bob-tailed sheep-dog. It is still nicknamed Bob-tail (or Bobtail) because historically, the tail was traditionally docked in this breed. <br /> <br />More info: https://en.wikipedia.org/wiki/Old_English_Sheepdog <br /> <br /> <br /> <br /> <br />** Rottweiler Dog <br /> <br />Scientific name: Canis lupus familiaris, <br /> <br />Higher classification: Dog, <br /> <br />Type: Mammal, <br /> <br />Diet: no data, <br /> <br />Origin: Germany, <br /> <br />Size: Female: 56–63 cm, Male: 61–69 cm, <br /> <br />Weight: Female: 35–48 kg, Male: 50–60 kg, <br /> <br />Life span: 8 – 10 years, <br /> <br />Group: Mastiff, <br /> <br />Colors: Black, Mahogany, Tan, <br /> <br />Temperament: Devoted, Good-natured, Alert, Steady, Self-assured, Obedient, Calm, Confident, Courageous, Fearless. <br /> <br />** The Rottweiler is a steady dog with a self-assured nature, but early socialization and exposure to as many new people, animals, and situations as possible is very important in developing these qualities. The Rottweiler also has a natural tendency to assert dominance if not properly trained. <br /> <br />More info: https://en.wikipedia.org/wiki/Rottweiler