Longevity Records:
Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish

References

Erethizon dorsatum (N. American porcupine)

[56]	Earle, R.D. and K.R. Kramm, 1980. Techniques for age determination in the Canadian porcupine. Journal of Wildlife Management 44: 413-419.

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