Do you know about - Marine ship ice breaking Antarctica
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Marine ship ice breaking Antarctica Video Clips. Duration : 2.75 Mins.We had a good read. For the benefit of yourself. Be sure to read to the end. I want you to get good knowledge from Southwestern Eye Center . Pamplona has the Running of the Bulls, but McMurdo Sound, in the southern Ross Sea, Antarctica, has something even more spectacular: the Stampeding of the Orcas. Each summer (December through February) an icebreaker penetrates miles into the frozen sea ice to open up a resupply channel to McMurdo Station, and the killer whales have learned to take advantage of the increased foraging area. With my colleagues Wayne Perryman and Don LeRoi, I have come to gather evidence that McMurdo killer whales - which have distinct color patterning and prey preferences - may be a separate species. To make our case, we are collecting skin samples for DNA, taking photographs, and simply getting to know the orcas a little better in their natural environment. We are 300 feet up in a United States Coast Guard helicopter, working our way along an extended crack in the ice that has opened off the main channel, when we spot at least thirty killer whales in a long, scattered pod. We land the helicopter a half-mile ahead, well off the ice edge, and while the rotor blades are still whop-whopping, our pilot, Lieutenant Wendy Hart, signals that it's safe to get out. We charge across the frozen sea toward the sliver of water. As we approach, a four-foot-tall black letter opener slices across our view: the dorsal fin of an adult male killer whale. We see his small cloud of breath and, a full second after, an explosive gasp from the lung-pumping mammal reaches our ears. That kindred sound, so similar to ...