Orca spotted off Cape Cod by fishing crew
Fear on Cape Cod as Sharks Hunt Again - The New York Times
Video shows dolphins playing with population of orcas in BC
52 Whales Die After Mass Stranding in Western Australia
Whale watching - Wikipedia
Somerset & Exmoor Marine Mammal Sightings
Dolphins, Leatherback, Orca - Oh My! - New England Aquarium
Rare sighting: Scientists spot 4 killer whales in New England waters
whales – Geospatial Ecology of Marine Megafauna Laboratory
Fishing crews spot orca off Massachusetts coast
A Guide to Whale Watching in Iceland