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Eden's Dolphin Prezi

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by

Ashley Romberg

on 2 December 2013

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Transcript of Eden's Dolphin Prezi

Threats to dolphins
the main

are pollution and bio catch.

threats to dolphins and whales
POLLUTION
Pollution is one of the biggest threats to dolphins.It increases ever year,clogging up the oceans.Oil spills are also bad because it make dolphins sick .
Bio Catch
Bio catch is when fishermen accidentally catch dolphins in their fishing nets. The dolphins try to get the fish caught in the nets,then get caught themselves.Dispite being highly intelligent,the dolphins find it hard to swim
out
.
Bottlenose
When people think of dolphins,they think of the bottlenose.These cute and friendly creatures do well in captivity.They have a beak shaped like a bottle.That's how they got their name.They grow eight to ten feet tall.They can live up to forty years, but the average is twenty or less.
Dolphin Species

Polluted ocean
spinner
known for their acrobatic flips the spinner dolphin , one smallest toothed wales is 129-235 cm long and wieghs about 200 pounds.
spinner dolphin range
predators
dolphin predators include ,orcas, false killer wale,and pygmy killer wale and short-finned pilot shark.
orca
the largest in the dolphin species .the orca is black and white .and sometimes eats other dolphins .the males can be as long as 32 feet . and their dorsal fin can be 6 feet tall.
here's a dolphin video
calves
dolphin calves are born in the water usually tail first.when they are born weigh they about 44 lb and 42-52 inches long.
dolphin calves
orca
And they get caught in all sorts of things that people have thrown away.
dolphins and whales
whale species
amazon river dolphin
the amazon river dolphin,also called the boto, is 6ft tall friendly, fish eating dolphin .who are gray when they are born, but turn pink when they grow up in the amazon river
.
baby dolphin

before it is

born
dolphins have there own language of clicks and wisels .They even have there own " names" !
ECHOLOCATION

language
LANGUAGE


is when a dolphin makes a super high pinched sound with there melon that bounces of of anything that's in front of it and comes back at the dolphin telling it the exact size and shape of whats in front of it.
echolocation
sperm whale
blue whale
THE blue whale
The sperm whale can dive 4,000 feet to catch squid
beluga
ga
it has a square shaped head
can be up to 110 feet. They are endangered like all whales . They have two blowholes.
BELUGA MEANS WHITE WHALE IN RUSSIAN . EARLY sailors called them "CANARIES OF THE SEA" because they MAKE A LOT OF NOISE
Full transcript