Some monarch butterflies winter as far south as Mexico each year, and then they migrate back to the US and Canada, taking advantage of the bloom cycle along the way. Here we see the moment the butterflies embark en masse on their long journeys, some foota

Some monarch butterflies winter as far south as Mexico each year, and then they migrate back to the US and Canada, taking advantage of the bloom cycle along the way. Here we see the moment the butterflies embark en masse on their long journeys, some foota