Science news articles about 'marine mammal species'

... sound on marine mammals depend on many aspects, such as intensity and frequency of sounds, marine mammal species and their age, environmental conditions, etc. In addition, the physiological effects of ...

... of unique brain cells found only in humans, primates, elephants and a handful of marine mammals -- species that are characterized by large brains, a long childhood spent learning from their elders, ...

... new study of pygmy killer whales — one of the least understood marine mammal species — shows that those living off Hawaii tend to stay close to the islands and don't swim out ...