References

 

Brower, L. P., Fink, L. S., & Walford, P. (2006). Fueling the Fall Migration of the Monarch Butterfly. Integrative and Comparative Biology, 46(6), 1123-1142.

 

Brower, L. P., Taylor, O. R., Williams, E. H., Slayback, D. A., Zubieta, R. R., & Ramirez, M. I. (2012). Decline of monarch butterflies overwintering in Mexico: Is the migratory phenomenon at risk? Insect Conservation and Diversity, 5(2), 95-100.

 

Conant, E. (2014, October 11). As Dwindling Monarch Butterflies Make Their Migration, Feds Try to Save Them. Retrieved from National Geographic: http://news.nationalgeographic.com/news/2014/10/141001-monarch-migration-genome-science/

 

Flockhart, D. T., Pichancourt, J.-B., Norris, D. R., & Martin, T. G. (2015). Unravelling the annual cycle in a migratory animal: breeding-season habitat loss drives population declines of monarch butterflies. Journal of Animal Ecology, 84(1), 155-165.

 

Gil, P. R. (2015). Photography. Retrieved from National Geographic Creative: http://www.natgeocreative.com/photography/patricioroblesgilmindenpictures

 

Howard, E., & Davis, A. K. (2009). The fall migration flyways of monarch butterflies in eastern North America revealed by citizen scientists. Journal of Insect Conservation, 279-286.

 

Jefferson Lab (2009).  Life Cylce of the Monarch Butterfly. Retrieved from YouTube.com: https://youtu.be/jsTg-rO8JrM

 

Landis, T. D. (2014). Monarch waystations. Native Plants Journal (University Of Wisconsin Press), 15(1), 5-16.

 

Lemoine, N. P. (2015). Climate Change May Alter Breeding Ground Distributions of Eastern Migratory Monarchs (Danaus plexippus) via Range Expansion of Asclepias Host Plants. Plos ONE, 10(2), 1-22.

 

Mullica (n.d.). Photography. Retrieved from: http://www.gardenguides.com/69711-grow-butterfly-weed.html

 

Pleasants, J. M., & Oberhauser, K. S. (2013). Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population. Insect Conservation and Diversity, 6(2), 135-144.

 

Smith, Kim (2013). Photography. Monarch Butterflies on Marsh Milkweed.  Retrieved from: https://goodmorninggloucester.wordpress.com/2013/03/29/how-exactly-are-monsantos-products-ravaging-the-monarch-butterfly-population/

 

Vidal, O., Lopez-Garcia, J., & Rendon-Salinas, E. (2014). Trends in Deforestation and Forest Degradation after a Decade of Monitoring in the Monarch Butterfly Biospere Reserve in Mexico. Conservation Biology, 28(1), 177-186.

 

Vogt, T. (2015, January 18). On the wings of a monarch. The Columbian, pp. 1-3.