Monarch butterflies: when snow threatens their survival

Images of the El Rosario sanctuary after the strong storm on in march 2016.

Por:Univision

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A wind and snow storm hit the monarch butterfly sanctuary in Mexico on March 8th and 9th.

Jessey Dearing

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A blanket of butterflies covered the snow in some areas of the El Rosario sanctuary.

Jessey Dearing

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The storm toppled hundreds of trees in the area, also within the sanctuary.

Jessey Dearing

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The majority of butterflies resisted clumped on the trees' branches and trunks.

Jessey Dearing

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There are few images captured of this incredible species fighting to survive a snowstorm.

Jessey Dearing

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The storm hit the sanctuaries hard but this species is an example of resilience.

Jessey Dearing

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These butterflies can survive as long as they hang on to the trees. Danger comes when they fall to the ground.

Jessey Dearing

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This butterfly performs one of the most outstanding migrations in nature.

Jessey Dearing

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Almost all monarchs from North America are concentrated in these 9.9 acres in Mexico: that is what makes these storms so dangerous.

Jessey Dearing

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Surviving butterflies will start flying back to the United States in a few days.

Jessey Dearing