Transcript Endangered Species - Purdue University North Central

Endangered Species
The Blue Whale
Size
• May have been the largest animal to ever
live
• 130 to 150 tons on average
• Eats several tons of krill per day, but also
consume small fish and crustaceans
Endangered Species
*Added to Endangered
Species list in 1970
*Whaling brought blue
whale population
down to less than
10,000
*Global Warming affects
the temperature of
the water -> food
supply -> migration
*Amount of noise in
oceans
(communication
among the whales)
After reading about food webs,
why can we conclude that big,
fierce animals are so rare?
Resources
• http://en.wikipedia.org/wiki/Blue_Whale#Feeding
• http://images.google.com/imgres?imgurl=http://www.ocregister.co
m/newsimages/news/2007/06/04bluewhale_gp.gif&imgrefurl=http:/
/www.ocregister.com/ocregister/homepage/abox/article_1717453.ph
p&h=448&w=1000&sz=186&hl=en&start=25&um=1&tbnid=2ZeQk
_eaIeuedM:&tbnh=67&tbnw=149&prev=/images%3Fq%3Dblue%2
Bwhale%26start%3D20%26ndsp%3D20%26svnum%3D10%26um
%3D1%26hl%3Den%26client%3Dfirefoxa%26rls%3Dorg.mozilla:en-US:official%26sa%3DN
• http://www.earthsendangered.com/profile.asp?mp=1&ID=10&sp=9
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