butterflies

The number of monarch butterflies at their Mexico wintering sites has plummeted this year

The number of monarch butterflies at their Mexico wintering sites has plummeted this year

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MEXICO CITY: The number of monarch butterflies at their wintering areas in Mexico dropped by 59% this year to the ...

Monarch butterflies wintering in Mexico at second-lowest level on record

Monarch butterflies wintering in Mexico at second-lowest level on record

admin

The number of monarch butterflies at their wintering areas in Mexico dropped by 59% this year to the second lowest ...