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Bottlenose Dolphins

Bottlenose Dolphins. Jenny Harper. Where they ’ re found. Temperate and tropical Surface temp. of 50-90 degrees F Seasonal migration http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin /. Habitat. Variety—coastal water to open ocean 2 ecotypes—coastal and offshore.

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Bottlenose Dolphins

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  1. Bottlenose Dolphins Jenny Harper

  2. Where they’re found • Temperate and tropical • Surface temp. of 50-90 degrees F • Seasonal migration • http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin/

  3. Habitat • Variety—coastal water to open ocean • 2 ecotypes—coastal and offshore

  4. Physical Characteristics • Size: 6.6–12.8 ft. and 331.5–442 lb. • Shape: sleek and stream-lined • Skin: smooth/rubbery; gray/white

  5. Senses • Hearing-ranging from 40 to 100 kHz • Eyesight-acute vision in and out of water • Tactile-sensitive to touch • Taste-have taste buds • Smell-may have none

  6. Intelligence • Human vs. dolphin brain • Artificial language/categorize objects • Self-awareness • Military dolphins • http://www.pbs.org/wgbh/pages/frontline/shows/whales/etc/navycron.html

  7. Intelligence cont. • Problem-solution http://www.youtube.com/watch?feature=player_detailpage&v=j9fFkMyDsfY • Use of tools • Cooperation with humans http://www.youtube.com/watch?v=0GOb3nFpewM

  8. Communication • Navigate, communicate, hunt, and avoid predators • Air movements in nasal passage http://www.seaworld.org/animal-info/info-books/bottlenose/communication.htm • Echolocation http://nationalzoo.si.edu/scbi/AquaticEcosystems/Dolphins/AboutDolphins/Echolocation.cfm

  9. Behavior • Social groups—pods • Calf typically stays with mother 3-6 yrs. or more • Daily activities • Other species—whales, other dolphins, sharks, humans

  10. Life Span • Most 20 years or less • Disease/parasites • Predators (sharks, killer whales, stingray injuries) • Human impact http://www.youtube.com/watch?v=4KRD8e20fBo

  11. Resources • http://www.seaworld.org/animal-info/info-books/bottlenose/index.htm • http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin/ • http://www.pbs.org/wgbh/pages/frontline/shows/whales/etc/navycron.html • http://nationalzoo.si.edu/scbi/AquaticEcosystems/Dolphins/AboutDolphins/Echolocation.cfm • http://youtube.com • http://www.google.com/imghp?hl=en&tab=wi

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