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Dolphins

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by

Chloe S

on 27 May 2014

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Transcript of Dolphins


○ They are highly intelligent marine mammals that are in the same family as whales and porpoises

Where do Dolphins live?
they are found all over the globe, but mostly in shallower waters: usually the temperate parts of the ocean
5 species found in rivers
bottlenose dolphin
Dolphin Build
streamlined and fusiform
they have a powerful tail called a fluke
blowhole
echolocation
What do they eat?
dolphins are carnivores
two types of diets
coastal dolphins: fish and crustaceans
offshore dolphins: fish and squid
eat 4%-6% of their body weight a day
high metabolism from compartmentalization
Reproduction
dolphins give life birth
usually to one offspring
mother helps with first breath
nurse for 7-11 months
Hard Times
1. Dolphins are struggling to find suitable environments as the earth's climate changes
2. They are subject to incidental capture by nets
3. There is a lot of competition between male dolphins
Adaptations
special sleeping process
freshwater dolphins
breathe air like land mammals
Dolphins
What is a dolphin?
Social Behavior
known for their agility and playfulness
dolphins enjoy spy-hopping
live in groups called pods
Lifestyle
researchers dolphins have mastered the art of bow-riding
use echolocation for several purposes
follow ships, whales, and birds
a marine bio project by Chloe Stallion
Bibliography (sources)
http://www.dolphins-world.com/

http://www.defenders.org/dolphin/basic-facts

http://www.dolphins.org/why_its_important

http://en.wikipedia.org/wiki/Dolphin#Anatomy

http://seaworld.org/en/animal-info/animal-infobooks/bottlenose-dolphins/diet-and-eating-habits/

Bibliography (pictures)
Dolphin leaping out of water http://defenders.org/sites/default/files/styles/large/public/dolphin-kristian-sekulic-isp.jpg

Amazon river dolphin
http://creationwiki.org/pool/images/thumb/6/63/Amazon_River_Dolphin_2.jpg/250px-Amazon_River_Dolphin_2.jpg

Bottlenose dolphin
http://www.dolphins-world.com/wp-content/uploads/dolphin-main.jpg

Dolphin spyhopping
https://c1.staticflickr.com/7/6208/6056537814_63803271d4_z.jpg

Where are bottlenose dolphins found
http://173.210.1.82/Activities/Perini/Alish%20Gallagher-Bottlenose%20Dolphins/map-dolphins.jpg

Dolphins fighting
http://video.nationalgeographic.com/video/dolphin_bottlenose_aggressive

Mother dolphin and calf
http://www.czs.org/CZS/getattachment/d35698ea-5c31-4ceb-8027-5ff9d6f8d682/Dolphin-Calves-Born-at-Brookfield-Zoo-Continue-to-.aspx

Mother dolphin and calf 2
http://0.tqn.com/d/hotels/1/0/t/q/2/huff_n_puff_and_calf_at_the_dolphin_habitat.jpeg

Dolphins bowriding
http://4.bp.blogspot.com/-QTLWzgeKfzo/TwdQfBakNgI/AAAAAAAAD2M/zOsEzhvEJso/s640/bow_wake_dolphins.jpg

Amazon river dolphin
http://4.bp.blogspot.com/-_WW-H7Ee1OA/UYfhlwaOYgI/AAAAAAAAAPw/no5zMjYHENs/s1600/pink_dolphin.jpg

Dolphin caught in net
http://liberationbc.org/sites/default/files/fishing-dolphincaught2-nt.JPG

http://upload.wikimedia.org/wikipedia/commons/5/5b/Dolphin_anatomy.png
Full transcript