Why fewer monarch butterflies are surviving their migrations
Clip: 12/24/2013 | 6m 35s
Why fewer monarch butterflies are surviving their winter migration to Mexico
Monarch butterflies migrate to warmer regions each winter, but in recent years Mexico has seen far fewer monarch arrivals. Environmental changes have eliminated the butterflies' sources of food and shelter along the way. Independent video journalist Ross Velton reports on efforts to help monarchs survive their journey south.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...
Why fewer monarch butterflies are surviving their migrations
Clip: 12/24/2013 | 6m 35s
Monarch butterflies migrate to warmer regions each winter, but in recent years Mexico has seen far fewer monarch arrivals. Environmental changes have eliminated the butterflies' sources of food and shelter along the way. Independent video journalist Ross Velton reports on efforts to help monarchs survive their journey south.
Problems playing video? | Closed Captioning Feedback
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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...