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 ...

The secret to how baleen whales – the largest mammals to have ever lived – sing to each other underwater lies in their unique voice box, scientists have found. Researchers have discovered these ...

Experts examining the 10 meters long animal, which died about 800m from the shoreline, say they are 95% sure it is a female sei whale. The animal was trapped in shallow water near the East ...

Giant blue-grey sei whales have made a triumphant return to the waters off Argentina's Patagonian coast, more than a century after relentless hunting drove them to the brink of extinction in the ...