Pacific walrus (baculum)
Odobenus rosmarus divergens
55.9 cm (range 47.6 cm–62.2 cm) record 62.4 cm
Length of the dried, cleaned baculum (os penis) of adult males aged 15 years or older; the bone only, not the soft penis
Has a bone, Record holder
The penis bone of an adult Pacific walrus averages 55.9 cm. Fay's 1982 monograph calls it the largest baculum of any living mammal, both absolutely and for the size of the animal.
Margin note: Walrus sold separately.
Sources
- Fay F.H. (1982) Ecology and biology of the Pacific walrus, Odobenus rosmarus divergens Illiger. North American Fauna 74. Washington, DC: U.S. Department of the Interior, Fish and Wildlife Service. v + 279 pp. doi:10.3996/nafa.74.0001
Drawn from
- Fay 1982, Fig. 23 (p. 37): Comparative size and shape of bacula from a Pacific walrus calf (lower) and mature adult (upper), photo by F. H. Fay, with centimetre ruler: Adult baculum, lateral view with scale: silhouette, taper, distal curve, ends
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