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Piedra Herrada Monarch Butterfly Sanctuary

A monarch butterfly is seen on a branch of the oyamel forests of Piedra Herrada, one of the sanctuaries of the monarch butterfly, located in the municipality of Temascaltepec, State of Mexico. This place is part of the Monarch Butterfly Biosphere Reserve, declared a Natural World Heritage Site by UNESCO in 2008, in Temascaltepec, State of Mexico, on January 25, 2025. (Photo by Carlos Santiago/ Eyepix Group) (Photo by Eyepix/NurPhoto)

Piedra Herrada Monarch Butterfly Sanctuary nature Monarch Butterfly Temascaltepec State of Mexico Natural World Heritage Site unesco United Nations Educational Scientific and Cultural Organization forest oyamel trees ornge butterfly Monarch butterfly oyamel forests Piedra Herrada sanctuary Temascaltepec State of Mexico Monarch Butterfly Biosphere Reserve Natural World Heritage Site UNESCO 2008 January 25 2025 Carlos Santiago Eyepix Group Eyepix NurPhoto biosphere conservation migration habitat ecology environment biodiversity wildlife protection preservation oyamel fir trees overwintering sanctuary tourism butterfly conservation environmental protection forest ecosystem natural heritage.