Killer Whales

Swimming silently through the cool waters of the North Pacific, these proficient hunters come across a school of fish. Working as a team, they surround the fish until they are in a dense ball for easy catching. Swiftly they dive through the ball to obtain their meal. Satisfied, they go on and leave the fish to find something else that strikes their curiosity. Killer whales (Orcinus orca) are unique marine mammals due to their physical statistics, adaptation for an aquatic environment and their hunting/feeding methods.
The physical statistics of killer whales are particular to this group of marine mammals. Their coloration, fins, and size describe what the killer whale looks like.
To identify a killer whale at sea would be quite simple due to their distinctive coloration. They are black and white, with a gray saddle behind the dorsal fin. The white is prominently on the belly, with a lobe ascending the flank on each side and another pair of white, elliptical shaped lobes...