Abstract
ALTHOUGH there have been comprehensive biological studies of whales since 1925 when the Discovery Committee founded the research station at South Georgia, there have been no reports of Siamese twins in whales as far as I know. I now report briefly the results of morphological observations on sei whale Siamese twins found on the Japanese whaling factory ship Nisshin Maru (Taiyo Fisheries Co.) in the Antarctic whaling season 1967–68.
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References
Mackintosh, N. A., and Wheeler, J. F. G., Discovery Rep., 1, 257 (1929).
Omura, H., Nishimoto, S., and Fujino, K., Japan Whaling Association (1952).
Omura, H., in Whales, Dolphins, and Porpoises (Univ. of California Press, Berkeley and Los Angeles, 1966).
Matthews, L. H., Discovery Rep., 17, 183 (1938).
Laws, R. M., Discovery Rep., 29, 281 (1959).
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KAWAMURA, A. Siamese Twins in the Sei Whale Balaenoptera borealis Lesson. Nature 221, 490–491 (1969). https://doi.org/10.1038/221490a0
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DOI: https://doi.org/10.1038/221490a0
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