WOODS, C. A. (1973)

Erethizon dorsatum.

Mammalian Species 29; 6 Seiten, 2 Abb.
Hrsg.: American Society of Mammalogists

PDF: https://academic.oup.com/mspecies/article-abstract/doi/10.2307/3504036/2600610?redirectedFrom=fulltext

https://www.mammalsociety.org/common-porcupine [Kurzfassung)

 

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