Dolphins

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  • The Dolphin Is A Breed Of Dolphin

    3023 Words  | 13 Pages

    Maui’s dolphin is a breed of dolphin that is slowly heading toward extinction, as they are a very endangered subspecies (1). On the North West coast of the North Island in New Zealand (between Dargaville and New Plymouth) lays isolated areas, which is where the Maui dolphin can be found, normally found in groups of approximately 1 to 5 dolphins within about 5 nautical miles of the shore. (2). Maui’s dolphin is the smallest breed of dolphins; they range in size from approximately 1.2-1.7m and weigh

  • Evolution Of Dolphins

    666 Words  | 3 Pages

    creatures to develop an anatomy that is structured for them to thrive” (Dolphin Evolution). Evolution is the gradual development of a creature, especially from a simple to a more complex organism. Many mammals have evolved from one animal to another. For instance, dolphins has evolved from land animals to ocean animals. All of the dolphins belong to the cetacean family, which also include whales, dolphins and porpoises. Dolphins are now aquatic mammals who are very intelligent and curious. However

  • Bottlenose Dolphins

    650 Words  | 3 Pages

    Bottlenose dolphins produce a extensive variety sounds that are divided into two categories: pulsed emissions, i.e. echolocation clicks and burst-pulsed sounds; and non-pulsed signals, i.e. whistles (Caldwell et al., 1990; Janik, 2013) (Figure 1:2). Clicks are high-frequency and directional sounds that are used to detect, discriminate and recognize objects in the environment, including potential preys (Caldwell et al., 1990; Janik, 2013). These clicks are used to locate/discriminate an object based

  • Bottlenose Dolphins: A Very Brief History Of Dolphins

    368 Words  | 2 Pages

    Dolphins have undergone an interesting history as they evolved from their whale ancestors. Archaeoceti is a parvorder comprising ancient Cetaeca. Dolphins can swim very fast. Swimming speed and duration are closely tied. High speed swimming can probably last seconds, while low speed swimming may last for long periods of time. Bottlenose dolphins usually swim at speeds up to about 3 to 7 miles per hour. Dolphins breathe through a single blowhole on the top of it´s head. The blowhole is covered by

  • Dolphins Persuasive

    1345 Words  | 6 Pages

    Why Should We Save the Dolphins? Final Draft By: Emily Chang Class: 6(2) Subject: English Teacher: Mr. Kris(Smith) Imagine you are a dolphin swimming happily in the ocean with the other dolphins. Suddenly, you hear something terrible, and that makes you feel extremely uncomfortable. You swim towards somewhere “safe” to get away from that terrible sound. However, when you get in, you realize it is a trap! You have been caught! You might be sent to an aquarium or killed to be made

  • Speech On Dolphins

    1253 Words  | 6 Pages

    Imagine you are a dolphin swimming happily in the ocean with the other dolphins. Suddenly, you hear something terrible, and that makes you feel extremely uncomfortable. You swim towards somewhere “safe” to get away from that terrible sound. However, when you get in, you realize it is a trap! You have been caught! You might be sent to an aquarium or killed to be made into sushi. This unfortunate fate is not a dream, but it is a sad reality for hundreds of thousands of innocent dolphins. They are endangered

  • Dolphins Essay

    1049 Words  | 5 Pages

    organs. Dolphins History: Dolphins are one of the most majestic creatures to live in the oceans. They came to Earth about 65 million years ago. People found a skeleton and thought it was a sea serpent. They named it the Basilosaurus

  • Describe The Amazing Dolphins

    734 Words  | 3 Pages

    The Amazing Dolphins Have you ever know how smart and amazing dolphins are?The way that dolphins communicate is through echolocation.Also dolphins are a mammal that are not scared of anything when they are in a group , because other mammals like sharks will be scared. Dolphins are like humans they live in different places like saltwater and freshwater. Dolphins also have a different choice of food like different fish they eat. The best thing about dolphins is that they are fast swimmers

  • Essay on Characteristics of Dolphins

    1099 Words  | 5 Pages

    Characteristics of Dolphins The majority of small tooth whales are called dolphins.  “Dolphins are mammals of the order Cetacean and the families Plantanistidae and Delphinidae and include about 50 species” (Internet 1).  Most dolphin species are about 6 feet in length, the males averaging 4 to 8 inches longer than females. The longest dolphin, the bottle-nose dolphin, can reach over nine-feet in length and weight up to 440 pounds. The smallest dolphin species is the buffalo which is

  • Lori Marino Dolphins

    506 Words  | 3 Pages

    This summer, hundreds of dolphins beached themselves along the coast of New England. The National Oceanic and Atmospheric Administration (NOAA) has tentatively pegged the cause of this particular dolphin die-off as a viral outbreak. Yet even in normal years, dozens of dolphins around the country become stranded in shallow water or beach themselves on shorelines. Are these often sickened or injured animals simply disoriented, or are they making a conscious decision to leave their tightly-knit social

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