Dolphins By Colby Boren Table of Contents Oceanic

Dolphins By: Colby Boren

Table of Contents Oceanic Dolphins (and various species) Dolphin Facts River Dolphins (and various species) Bibliography Dolphins and Humans

Oceanic Dolphins Marine mammals that live in the ocean Account for a variety of dolphin species 33 species are oceanic Most dolphins are oceanic

Bottlenose Probably the most popular and well known species Has up to 100 sharply pointed teeth Not used for chewing Food is swallowed whole Feed on different species of fish, shrimp, and squid

Striped Dolphin Live in warm tropical or subtropical regions Known for breaching Can Reach great heights of up to 7 meters Very acrobatic when they breach

Orcas (killer whales) Part of the dolphin family Some feed on marine mammals(Transients) Some feed on fish(Residents) Found all over the world Reach lengths of up to 9 meters Largest Dolphin

Common Dolphin Two types Long Beak Short Beak Long beaks have up to 200 teeth Diet consist of fish and squid Travel in pods of up to 1000 members

Pacific White-Sided Dolphin Pods consists of 10 -100 members Largest group recorded consisted of over 2000 Females live to 46 years Oldest male was 42 Eat herring, squid, anchovy, and various other fish

Hectors Dolphin Found only in New Zealand Stays in shallow coastal waters May venture into rivers Are an endangered Species Live in very small groups Has a rounded dorsal fin

River Dolphins Species live in freshwater rivers 4 species Face endangerment or extinction Live in various parts of world China, India, South America

Baiji (Chinese River Dolphin Thought to be extinct Live(d) in the Yangtze river Share(d) the river 12% of world population

Ganges Dolphins Lives in Ganges River of India Very poor eyesight Uses only echolocation Travels alone

Pink River Dolphin Lives in the Amazon Becoming Endangered Species Brain capacity 40% larger than Humans

La Plata River Dolphin (Franciscana Dolphin) Lives in South America Very rare species of dolphin Actually not facing extinction Is often found in salt water Called “white ghosts”

Dolphin Facts Bad sense of smell They have two stomachs Can dive up to 1, 000 ft. Can swim up to 25 mph Breathing is voluntary Sleep with half of brain at a time Very good immune system

Dolphins and Humans Used in military for mine clearance United States Navy Mammal Program Can be very aggressive towards humans Meat is considered a delicacy in some countrys Used for therapy

Bibliography Bottlenose Dolphin. " Whale Web. N. p. , 7/12/00. Web. 12 Sep 2012. <http: //www. whale-web. com/dolphins/index. html>. "Hectors Dolphin. " Whale Web. N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whale-web. com/dolphins/index. html>. Orca. ". N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whaleweb. com/dolphins/index. html>. . "Long Beaked Common Dolphin. ". N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whale-web. com/dolphins/index. html>. Oceanic Dolphins. " Dolphin and Whale Facts. N. p. , 2011. Web. 13 Sep 2012. <http: //www. whale-and-dolphin-facts. com/oceanicdolphins. html>.

Bibliography Striped Dolphin. ". N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whale-web. com/dolphins/index. html>. . "Baiji. ". N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whaleweb. com/dolphins/index. html>. . "Dolphins & Porpoises. " Vancouver Aquarium. N. p. , n. d. Web. 11 Sep 2012. <http: //www. vanaqua. org/learn/aquafacts/cetaceans/dolphinsand-porpoises>. Dolphins with Humans. " Dolphins World. N. p. , n. d. Web. 10 Sep 2012. <http: //www. dolphins-world. com/>. "Pacific white-sided dolphin. ". N. p. , 7/12/00. Web. 17 Sep 2012. <http: //www. whale-web. com/dolphins/index. html>.

Bibliography Dolphins Life. " Dolphins World. N. p. , n. d. Web. 17 Sep 2012. <http: //www. dolphins-world. com/Dolphins_Life. html>. . "Dolphin Types. " Dolphins World. N. p. , n. d. Web. 17 Sep 2012. <http: //www. dolphinsworld. com/Dolphin_types. html>. . "Dolphin Intelligence. " Dolphins World. N. p. , n. d. Web. 17 Sep 2012. <http: //www. dolphinsworld. com/Dolphin_Intelligence. html>. . "Dolphin Facts. " Dolphins World. N. p. , n. d. Web. 17 Sep 2012. <http: //www. dolphinsworld. com/Dolphins_Facts_and_Information. html>.