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A monarch butterfly takes off from a tree trunk in the winter nesting grounds of El Rosario Sanctuary, near Ocampo, Michoacan state, Mexico, Jan. 31, 2020.  The first monarch butterflies have appeared in the mountaintop forests of central Mexico where they spend the winter. Mexico's Environment Department said Saturday, Saturday, Nov. 5, 2022, that the first butterflies have been seen exploring the mountaintop reserves in Mexico State and Michoacan.  (AP Photo/Rebecca Blackwell, File)

A monarch butterfly takes off from a tree trunk in the winter nesting grounds of El Rosario Sanctuary, near Ocampo, Michoacan state, Mexico, Jan. 31, 2020. The first monarch butterflies have appeared in the mountaintop forests of central Mexico where they spend the winter. Mexico's Environment Department said Saturday, Saturday, Nov. 5, 2022, that the first butterflies have been seen exploring the mountaintop reserves in Mexico State and Michoacan. (AP Photo/Rebecca Blackwell, File)

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