2. Some Background Info: There are about 60 different species of dolphin Dolphins cannot smile 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. US military trained dolphins to detect mines in the Gulf
5. Nose, Eyes, and Ears Almost no sense of smell Eyes are well developed Ears are most important sense
6. Communication Do not emit sounds with voice box Sounds pass through tissues of the head Sounds can travel hundreds of miles Fatty Organ: Melon Echolocation
7. Locomotion Swing tail through the water Forelimbs used for navigating Fins resemble flat oars (five fingers) Dorsal fin stabilizes body
8. Locomotion continued… Tail Fluke Body is efficient for locomotion Must come to the surface for air My0globin
13. Behavior continued… Can use tools both in captivity and in the wild Live in schools/sometimes composed of diff. species Cooperative Hunting Females have offspring every 3-6 yrs Reach 50 yrs of age
18. Held in Captivity Dolphins used in tourism Used for breeding, tricks, research etc Kept in sea pens, aquaria's Used in feeding programs or “swimming with the dolphins”
19. Welfare Capture can be stressful and dangerous Mortality rate increased 6 fold Do not live as long as their wild counterparts Behavior abnormalities due to captivity include: Aggressiveness, increased sexual behavior, self harming, and vomiting.
20. Welfare continued… Reasons for early death include: Physical injury, shock, ulcers, heat stroke etc Habitats designed to appeal to tourists and not to the animals needs Confined to small swimming pools
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
