Do butterflies migrate in winter?

From Professor Dave Goulson’s Garden Talk “Are we approaching an insect apocalypse?
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The monarch is one of North America’s most iconic butterflies which undergoes an extraordinary migration. They overwinter in a small area of just few hectares in Mexico and then return to the USA and Canada to breed in the Spring, returning to Mexico again in the autumn. The butterflies that return north in the Spring are actually the grandchildren of those that had travelled south the previous Spring and yet they return to exactly the same place their grandparents left, to within a few metres!

Learn more about this with our series “Environmental Challenges”

Climate change is the big environmental problem that humanity will face over the next decade, but it isn't the only one. What are these environmental challenges? And how should we cope with them?

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