Analyses of the remains showed that Romaleodelphis pollerspoecki belongs to the group of toothed whales but differs significantly from all previously known primitive representatives. Munster ...
This makes this dolphin one of the oldest known toothed whales that already had a similarly developed sense of hearing as modern porpoises, for example. These animals are able to communicate in ...
According to the UK charity Whale and Dolphin Conservation, there are at least 3,000 cetaceans - the group of "toothed whales" that dolphins belong to - in captivity in 50 countries around the world.