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Dolphin Prezi

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by

Mikey Rivette

on 6 May 2013

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Transcript of Dolphin Prezi

Dolphins Dolphins are marine mammals! This means that they are mammals that rely on the ocean to maintain a healthy life. They share some of the same characteristics with land mammals such as needing to breathe air, being warm-blooded, and using mammary glands to feed their young. Dolphins' Diets Dolphins are carnivores Dolphins live in oceans worldwide, mostly in the shallow seas of the continental shelves. Dolphins are extremely intelligent animals and can also be trained to do some pretty cool things like these... Their ability to do things like that combined with their playful behavior make dolphins like this... A favorite among wildlife watchers. Dolphins are carnivores! Their diets consist of fish, squid, and crustaceans. Dolphin Fun Fact:
Dolphins use echolocation in order to hunt down their prey and to navigate around the ocean! Another cool thing dolphins do in their everyday lives is called spy-hopping which means they... Hop out of the water to view their surroundings like this... Surfacing like this also gives them a chance to breathe air Dolphins breath air through their blowhole. They can inhale and exhale in .3 seconds. Unlike humans Dolphins breathe consciously, The amount of time a dolphin can hold its breath varies but the most common dolphin, the Bottlenose dolphin, can hold it's breathe underwater for 30 minutes before getting more air. There are a known 32 different type of dolphin species. Five of which live in rivers! Different Dolphin Facts! Dolphins can live to be about 40-80 years depending on the species it is! In order to sleep dolphins use a couple of methods including one called logging which means they float upon the surface so they can breathe. Whenever the dolphin sleeps it only shuts down half of it's brain so it does not drown. Threats to Dolphins Fishermen that put nets in the water often catch dolphins causing them to be trapped and drown! The best thing we can do is educate people about this awful practice in order to make all oceans a safe place for dolphins to live! This is the biggest threat to dolphins and it is one that can be stopped. Works Cited Images received from Google Images Information received from: http://www.defenders.org/dolphin/basic-facts and http://www.dolphins-world.com/
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