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Transcript of Dolphin Prezi
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/