2. Some Background Info: There are about 60 different species of dolphin (The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide, “ Dolphin”) Dolphins cannot smile (The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide, “Dolphin”) Trivia: 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. (The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide, “Dolphin”) US military trained dolphins to detect mines in the Gulf (The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide, “Dolphin”)
4. Brain…and Sense Organs Brain is Large and Developed (Thewissen, “Brain and Sense Organs”) Thought to be very intelligent (Thewissen, “Brain and Sense Organs”)
5. Nose, Eyes, and Ears Almost no sense of smell (Thewissen, “Brain and Sense Organs”) Eyes are well developed (Thewissen, “Brain and Sense Organs”) Ears are most important sense (Thewissen, “Brian and Sense Organs”)
6. Communication Do not emit sounds with voice box (Thewissen, “Brain and Sense Organs”) Sounds pass through tissues of the head (Thewissen, “Brain and Sense Organs”) Sounds can travel hundreds of miles (Moss,“Perceptual and neural processes for echolocation”) Fatty Organ: Melon (Thewissen, “Brain and Sense Organs”) Echolocation (Moss, “Perceptual and neural processes for echolocation”)
7. Locomotion Swing tail through the water (Thewissen, “Locomotion”) Forelimbs used for navigating (Thewissen, “Locomotion”) Fins resemble flat oars (five fingers) (Thewissen, “Locomotion”) Dorsal fin stabilizes body (Thewissen, “Locomotion”)
8. Locomotion continued… Tail Fluke (Thewissen, “Locomotion”) Body is efficient for locomotion(Thewissen, “Locomotion”) Must come to the surface for air (Thewissen, “Locomotion”) My0globin(Thewissen, “Locomotion”)
11. Consciousness Aware of their own body image, thus able to copy human movements (Herman, “animal consciousness: dolphins”) Recognize abstract images of the human body(Herman, “animal consciousness: dolphins”) Possess self awareness (Herman, “animal consciousness: dolphins ”)
13. Behavior continued… Can use tools both in captivity and in the wild (The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide, “Tool Use”). Live in schools/sometimes composed of diff. species (Thewissen, “Life history and social structure”) Cooperative Hunting (Thewissen, “Life history and social structure”) Females have offspring every 3-6 yrs (Thewissen, “Life history and social structure”) Reach 50 yrs of age (Thewissen, “Life history and social structure”)
18. Held in Captivity Dolphins used in tourism (.The Encyclopedia of Tourism and Recreation in Marine Environments, “Dolphin”) Used for breeding, tricks, research etc (.The Encyclopedia of Tourism and Recreation in Marine Environments, “Dolphin”) Kept in sea pens, aquaria's (.The Encyclopedia of Tourism and Recreation in Marine Environments, “Dolphin”) Used in feeding programs or “swimming with the dolphins” (.The Encyclopedia of Tourism and Recreation in Marine Environments, “Dolphin”)
19. Welfare Capture can be stressful and dangerous ( The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”) Mortality rate increased 6 fold (The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”) Do not live as long as their wild counterparts (The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”) Behavior abnormalities due to captivity include: Aggressiveness, increased sexual behavior, self harming, and vomiting. (The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”)
20. Welfare continued… Reasons for early death include: Physical injury, shock, ulcers, heat stroke etc (The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”) Habitats designed to appeal to tourists and not to the animals needs (. .The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”) Confined to small swimming pools .(The Encyclopedia of Tourism and Recreation in Marine Environments, “Welfare of captive marine wildlife”)
Resource used :The Hutchinson Unabridged Encyclopedia with Atlas and Weather guideSend citation to EasyBibEmail this entryPrint this entrySave this entryhttp://www.credoreference.com.ezproxy.hacc.edu/entry.do?id=9853476Share