Facts about Giraffe Neck Vertebrae

1. 05

   A giraffe's neck vertebrae are supported by an unusually strong nuchal ligament, which bears much of the neck's weight and stores elastic energy during movement.

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2. 04

   Fossil evidence shows that elongated neck vertebrae in giraffe ancestors evolved gradually over millions of years, likely driven by both feeding competition and sexual selection.

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3. 03

   The giraffe's neck vertebrae are connected by ball-and-socket joints, providing the flexibility needed to reach both tall trees and water at ground level.

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4. 02

   Each of the seven giraffe neck vertebrae can be over 28 centimeters long, making the neck itself up to 1.8 meters in length.

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5. 01

   Despite their extraordinarily long necks, giraffes have the same number of neck vertebrae as most other mammals, including humans: seven.

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