The incredible journey of the butterflies / produced in association with Centre National de la Cinématographie, with the participation of Ministry of Research (France), PROCIREP/ANGOA, France 2, NHK, Planète Câble, the Documentary Channel and the Canadian Television Fund ; produced with the assistance of The Canadian Film or Video Production Tax Credit ; produced for NOVA by Elizabeth Arledge ; narration written by Elizabeth Arledge ; directed by Nick de Pencier. Four wings and a prayer / produced by Primitive Entertainment and Films à Trois in co-production with the National Film Board of Canada.

Every year, 100 million monarch butterflies set off on an incredible journey across North America. These beautiful creatures fly 2,000 miles to reach their remote destination in a tiny area high in the mountains of Mexico. Scientists still puzzle over how the butterflies achieve this tremendous feat...

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Bibliographic Details

Corporate Authors:	Centre national de la cinématographie (France), Primitive Entertainment Inc, Films à Trois (Firm), National Film Board of Canada, WGBH (Television station : Boston, Mass.), WGBH Video (Firm)
Other Authors:	Arledge, Elizabeth, De Pencier, Nick, Channing, Stockard
Language:	English
Language and/or Writing System:	English subtitles for the deaf and hard of hearing, Described video for the visually impaired.
Published:	[Boston, Mass.] : WGBH Video, [2009]
Series:	Rovi Media Collection. Movies. Rovi K-12 education materials.
Subjects:	Monarch butterfly. Milkweed butterflies. Butterflies > Migration. Animal navigation. Endurance flights. Documentary films. Science films. Video recordings for the hearing impaired. Video recordings for people with visual disabilities. Feature films.
Genre:	Documentary films. Science films. Video recordings for the hearing impaired. Video recordings for people with visual disabilities. Feature films.
Physical Description:	1 videodisc (approximately 56 min.) : sound, color ; 4 3/4 in.
Format:	Video Blu-ray Disc