US scientist are trying to learn more about the migration of monarch buttreflies by attaching iny tags to their wings and tracking their movements.
researchers have tagged some 26000 butterflies at their wintering grounds on california's central coast since project monarch alert began in 2002.
they have learned that monarch movement in the winter is limited almost exclusively to other nesting sites along the pacific coast.they also found that just a few days or warm and dry weather can trigger a premature mass exodus in january.
researchers have tagged some 26000 butterflies at their wintering grounds on california's central coast since project monarch alert began in 2002.
they have learned that monarch movement in the winter is limited almost exclusively to other nesting sites along the pacific coast.they also found that just a few days or warm and dry weather can trigger a premature mass exodus in january.
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