Galway PhD student Seán O’Callaghan develops a novel method for identifying sperm whales using aerial photographs.

Second only in size to the blue whale, seeing a fin whale surface from the ocean's depths can leave you spellbound!

They were on the search for a puff of water or a protruding dorsal fin that would indicate a marine ... The fins belonged to Bryde’s whales, a species that is rarely seen in Thailand waters ...

Oceana North Atlantic Whale Marine Scientist Nora Ives warns boaters in the area to be extra cautious, as these mammals are hard to see. “They’re dark in color, they don’t have a dorsal fin ...

They have a characteristically small dorsal fin and 40 to 50 grooves in their throat that expand when feeding, researchers said. Bryde’s whales belong to the same family as blue whales and ...