PBS NewsHour

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.

Aired: 12/24/13

Rating: NR

The full episode is no longer available for online streaming. Why?

Please continue to enjoy extra(s) from this episode.

Problems Playing Video?

Major corporate funding for the PBS NewsHour is provided by BNSF, Consumer Cellular, Leidos, Babbel, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Mutual of America. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.