Dolphins <br />Anatomy, ecology, behavior and popularity				<br />
Some Background Info:<br />There are about 60 different species of dolphin<br />Dolphins cannot smile<br />Trivia:<br />Th...
Anatomy<br />Brain and Sense Organs<br />Locomotion<br />Feeding<br />
Brain…and Sense Organs<br />Brain is Large and Developed <br />
	Nose, Eyes, and Ears<br />Almost no sense of smell<br />Eyes are well developed<br />Ears are most important sense<br />
Communication<br />Do not emit sounds with voice box<br />Sounds pass through tissues of the head<br />Sounds can travel h...
Locomotion<br />Swing tail through the water<br />Forelimbs used for navigating<br />Fins resemble flat oars (five fingers...
Locomotion continued…<br />Tail Fluke<br />Body is efficient for locomotion<br />Must come to the surface for air<br />My0...
Feeding<br />Prong-like teeth<br />Fish, Crustaceans, squid and mollusks<br />
Behavior <br />
Consciousness<br />Aware of their own body image, thus able to copy human movements<br />Recognize abstract images of the ...
Dolphin at play…<br />
Behavior continued…<br />Can use tools both in captivity and in the wild<br />Live in schools/sometimes composed of diff. ...
School of dolphins…<br />
Ecology<br />
Habitat<br />Tropical/temperate oceans<br />Freshwater<br />Warm seas<br />
Popularity<br />
Held in Captivity<br />Dolphins used in tourism <br />Used for breeding, tricks, research etc<br />Kept in sea pens, aquar...
Welfare<br />Capture can be stressful and dangerous<br />Mortality rate increased 6 fold<br />Do not live as long as their...
Welfare continued…	<br />Reasons for early death include:<br />Physical injury, shock, ulcers, heat stroke etc<br />Habita...
Dolphin in aquarium<br />
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  • Resource used :The Hutchinson Unabridged Encyclopedia with Atlas and Weather guideSend citation to EasyBibhttp://www.credoreference.com.ezproxy.hacc.edu/entry.do?id=9853476Email this entryPrint this entrySave this entryShare
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  • Dolphins2

    1. 1. Dolphins <br />Anatomy, ecology, behavior and popularity <br />
    2. 2. Some Background Info:<br />There are about 60 different species of dolphin<br />Dolphins cannot smile<br />Trivia:<br />The name dolphin is applied to species that have beaklike snout and slender body and the name porpoise is given to species that have blunt snouts and a stocky body.<br />US military trained dolphins to detect mines in the Gulf<br />
    3. 3. Anatomy<br />Brain and Sense Organs<br />Locomotion<br />Feeding<br />
    4. 4. Brain…and Sense Organs<br />Brain is Large and Developed <br />
    5. 5. Nose, Eyes, and Ears<br />Almost no sense of smell<br />Eyes are well developed<br />Ears are most important sense<br />
    6. 6. Communication<br />Do not emit sounds with voice box<br />Sounds pass through tissues of the head<br />Sounds can travel hundreds of miles<br />Fatty Organ: Melon<br />Echolocation<br />
    7. 7. Locomotion<br />Swing tail through the water<br />Forelimbs used for navigating<br />Fins resemble flat oars (five fingers)<br />Dorsal fin stabilizes body<br />
    8. 8. Locomotion continued…<br />Tail Fluke<br />Body is efficient for locomotion<br />Must come to the surface for air<br />My0globin<br />
    9. 9. Feeding<br />Prong-like teeth<br />Fish, Crustaceans, squid and mollusks<br />
    10. 10. Behavior <br />
    11. 11. Consciousness<br />Aware of their own body image, thus able to copy human movements<br />Recognize abstract images of the human body<br />Possess self awareness <br />
    12. 12. Dolphin at play…<br />
    13. 13. Behavior continued…<br />Can use tools both in captivity and in the wild<br />Live in schools/sometimes composed of diff. species<br />Cooperative Hunting<br />Females have offspring every 3-6 yrs<br />Reach 50 yrs of age<br />
    14. 14. School of dolphins…<br />
    15. 15. Ecology<br />
    16. 16. Habitat<br />Tropical/temperate oceans<br />Freshwater<br />Warm seas<br />
    17. 17. Popularity<br />
    18. 18. Held in Captivity<br />Dolphins used in tourism <br />Used for breeding, tricks, research etc<br />Kept in sea pens, aquaria's<br />Used in feeding programs or “swimming with the dolphins”<br />
    19. 19. Welfare<br />Capture can be stressful and dangerous<br />Mortality rate increased 6 fold<br />Do not live as long as their wild counterparts<br />Behavior abnormalities due to captivity include:<br />Aggressiveness, increased sexual behavior, self harming, and vomiting.<br />
    20. 20. Welfare continued… <br />Reasons for early death include:<br />Physical injury, shock, ulcers, heat stroke etc<br />Habitats designed to appeal to tourists and not to the animals needs<br />Confined to small swimming pools<br />
    21. 21. Dolphin in aquarium<br />

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