The Dog is the domestic subspecies of Canis lupus, a mammal of the family Canidae, which also includes the Gray Wolf and the Dingo, a domestic dog that has become wild again.
Scientific name: Canis lupus familiaris
Gestation period: 58 - 68 days
Life expectancy: 10 - 13 years
Size: 15 - 110 cm (At the withers)
Daily sleep: 12 - 14 hours (Adult)
Rank: Subspecies
The Girl Scouts and Boy Scouts both offer merit badges in dog care.