Dolphin motion
When considering the great depths that many marine mammals are able to achieve on just one breath of air, it is quite perplexing. The fact is marine mammals, such as the bottlenose dolphin, can reach depths of 115m by implementing several different strategies while diving. These strategies are covered in the article "Sink or Swim: Strategies for Cost-Efficient Diving by Marine Mammals." The research focuses on the ability of the animals to complete these dives …
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…differences both the cetaceans, the dolphin and whale, and the pinnipeds, the seals, shared similar patterns of locomotor behavior during diving. The scientist noticed that each dive began with a period of continuous stroking, between 30 to 200 s. This was followed by a period of sustained gliding, which continued until the final depth was reached. The seals and dolphins began their gliding at similar depths, but the final depth was different for each animal. Passive gliding
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