Pacific white sided dolphin (Lagenorhynchus obliquidens) porpoising or speed swimming. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Risso's dolphin (Grampus griseus) double breach or tandem breach. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Pacific white sided dolphin (Lagenorhynchus obliquidens) porpoising or speed swimming. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Pacific white sided dolphin (Lagenorhynchus obliquidens) porpoising or speed swimming. Monterey Bay, California, USA, Pacific Ocean

Pacific white sided dolphin (Lagenorhynchus obliquidens) porpoising or speed swimming. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Northern right whale dolphin (Lissodelphis borealis) porpoising or leaping Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Northern right whale dolphin (Lissodelphis borealis) porpoising or leaping Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Pacific white sided dolphins (Lagenorhynchus obliquidens) breaching. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Northern right whale dolphin (Lissodelphis borealis) porpoising or leaping. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

Northern right-whale dolphin (Lissodelphis borealis) porpoising or leaping, Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Risso's dolphin (Grampus griseus) close look at a calf surfacing next to its mother, fetal folds are visible. Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Pacific white sided dolphin (Lagenorhynchus obliquidens) Porpoising or leaping Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Pod of Risso's dolphins (Grampus griseus) travelling together. Monterey Bay, California, USA.

Risso's dolphin (Grampus griseus) speed swimming or porpoising at surface, Monterey Bay, California, USA