About how many cervical neck vertebrae do most mammals have?

Seven.

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  1. Three
  2. Seven ✔
  3. Twelve

Why: Most mammals have seven neck vertebrae; manatees and sloths are exceptions.

Huh, didn't know that: Most mammals have seven neck vertebrae; manatees and sloths are exceptions.

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That number is neck and neck with the rest.
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References

Answer: Seven. Most mammals have seven neck vertebrae; manatees and sloths are exceptions.

  1. Mammal en.wikipedia.org/wiki/Mammal
    The majority of mammals have seven cervical vertebrae
    Checked 2026-11-07.

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