Update Rate of Advance Journey North
Monarch Butterfly Migration Maps: Compare Years
2010

Monarch Butterfly Migration Maps: Compare Years
2011

Monarch Butterfly Migration Maps: Compare Years
2012

Monarch Butterfly Migration Maps: Compare Years
2013

Monarch Butterfly Migration Maps: Compare Years
2014

Monarch Butterfly Migration Maps: Compare Years
2015

Monarch Butterfly Migration Maps: Compare Years
2016

Monarch Butterfly Migration Maps: Compare Years
2017

 

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