Think about this: all mammals have the same number of neck vertebrae, 7, from giraffes to humans to mice, with the exception of (some)sloths and manatees. That

Think about this: all mammals have the same number of neck vertebrae, 7, from giraffes to humans to mice, with the exception of (some)sloths and manatees. That being said, dogs will have between 6 and 23 bones in their tails depending on length.