Have you ever moved? Some animals move too! And if an animal moves from one place to another for weather or food, it’s called migration!


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SOURCES:


http://www.livescience.com/42297bed...
http://www.pestworld.org/allthingsb...
http://www.bbc.com/earth/story/201501...
http://onlinelibrary.wiley.com/doi/10...
http://www.bbc.com/earth/story/201501...
http://onlinelibrary.wiley.com/doi/10...
http://webcache.googleusercontent.com...
http://www.bedbugs.org/thehistoryof...
http://www.animalbehavioronline.com/j...
http://www.bedbugslondon.co.uk/bed...
http://whatwhenhow.com/insects/diap...
http://evolution.berkeley.edu/evolibr...
http://www.panna.org/resources/ddtstory
https://www.epa.gov/ingredientsused...
https://www.reference.com/science/ddt...
http://articles.latimes.com/2011/may/...
http://www.uphs.upenn.edu/news/news_r...
http://www.bedbugs.org/bedbugexterm...

Images:
https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/Caribou...
https://commons.wikimedia.org/wiki/Fi...
http://web.mit.edu/12.000/www/m2007/t...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...