Dolphins By: Colby Boren

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

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

 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 Bottlenose

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

 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 Orcas (killer whales)

 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 Common Dolphin

 Pods consists of 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 Pacific White-Sided 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 Hectors Dolphin

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

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

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

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

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

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

 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 Dolphins and Humans

 Bottlenose Dolphin." Whale Web. N.p., 7/12/00. Web. 12 Sep  "Hectors Dolphin." Whale Web. N.p., 7/12/00. Web. 17 Sep  Orca.". N.p., 7/12/00. Web. 17 Sep . "Long Beaked Common Dolphin.". N.p., 7/12/00. Web. 17 Sep  Oceanic Dolphins." Dolphin and Whale Facts. N.p., Web. 13 Sep Bibliography

 Striped Dolphin.". N.p., 7/12/00. Web. 17 Sep . "Baiji.". N.p., 7/12/00. Web. 17 Sep . "Dolphins & Porpoises." Vancouver Aquarium. N.p., n.d. Web. 11 Sep  Dolphins with Humans." Dolphins World. N.p., n.d. Web. 10 Sep  "Pacific white-sided dolphin.". N.p., 7/12/00. Web. 17 Sep Bibliography

 Dolphins Life." Dolphins World. N.p., n.d. Web. 17 Sep . "Dolphin Types." Dolphins World. N.p., n.d. Web. 17 Sep . "Dolphin Intelligence." Dolphins World. N.p., n.d. Web. 17 Sep . "Dolphin Facts." Dolphins World. N.p., n.d. Web. 17 Sep Bibliography