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pro vyhledávání: '"V M.F da Silva"'
Autor:
A. R. Martin, V M.F da Silva
Publikováno v:
Canadian Journal of Zoology. 82:1307-1315
The size and structure of a community of Amazon river dolphins or botos, Inia geoffrensis (de Blainville, 1817), was investigated using boat surveys and long-term observations of recognisable animals. Year-round, some 260 botos occurred in or near th