Dall's porpoise (Phocoenoides dalli) surfacing with rooster tail spray, Monterey Bay, California, USA

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

Pacific white sided dolphin (Lagenorhynchus obliquidens) breaching. 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

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. National marine sanctuary, Monterey bay, California Pacific ocean, USA.

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

Common / Harbour seal, (Phoca vitulina), pup just below surface, Monterey Bay, California, USA

Transient Killer whale (Orcinus orca) eating Common murre / guillemot (Uria algae) Monterey Bay, California, USA

Risso's dolphin (Grampus griseus) surfacing at speed with natural scarring visible. Monterey Bay, California, USA

Humpback whale, Megaptera novaeangliae, breaching, Monterey bay, California, USA, Pacific ocean, national marine sanctuary, endangered

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

Dalls porpoise, Phocoenoides Dalli, swimming just below the surface, rooster tail, Monterey bay, California Pacific ocean, USA, national marine sanctuary

Transient, Killer whale, Orcinus orca, Male surfacing with carcass wrapped around his dorsal fin, carcass was either a bull California sea lion, Zalophus californianus or a Northern elephant seal, Mirounga angustirostris, Monterey bay, California, USA, Pacific

Risso's dolphin (Grampus griseus) surfacing, Monterey Bay National Marine Sanctuary, California, USA