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License: Description is available under license CC-BY-SA IGO 3.0 Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: NFUAJ Source: unesco.nl - Source and License:

Monarch Butterfly Biosphere Reserve

The 56,259 ha biosphere lies within rugged forested mountains about 100 km northwest of Mexico City. Every autumn, millions, perhaps a billion, butterflies from wide areas of North America return to the site and cluster on small areas of the forest reserve, colouring its trees orange and literally bending their branches under their collective weight. In the spring, these butterflies begin an 8 month migration that takes them all the way to Eastern Canada and back, during which time four successive generations are born and die. How they find their way back to their overwintering site remains a mystery.

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ID: 67c70182c4b8b9e7af4ff0d1

Slug: monarch-butterfly-biosphere-reserve

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Created At: Tue Jan 21 2025 20:09:26 GMT+0000 (Coordinated Universal Time)

Updated At: Tue Mar 04 2025 13:34:58 GMT+0000 (Coordinated Universal Time)

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Version: 1

Status: test_v1