No, giraffes do not have more vertebrae in their necks than most other animals. Giraffes have seven vertebrae in their necks, which are elongated and can measure up to 10 inches (25 cm) in length, compared to the typical number of vertebrae in the neck of most mammals, which is usually only one or two inches. This elongation of the neck vertebrae is what allows giraffes to reach such great heights.
However, 3 mammals are known to have fewer or more cervical vertebrae.
- Manatee a large, fully aquatic mostly herbivorous marine mammal also known as the sea cow, has six.
- Two towed sloth with five or six - a slow,deliberate moving animal
- Three towed sloth with nine.