Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish
References
Phoca vitulina (Harbor seal)
[233]
Ohtaishi, N. and M. Yoneda, 1981. A Thirty Four Years Old Male Kuril Seal From Shiretoko Peninsula. Hokkaido Scientific Report Whales Research Institute 33: 131-135.