As the pandemic continues to rage around the world, nature, it seems, hasn’t noticed much of a difference.
While human society lives through the upheaval of the global COVID-19 pandemic, nature has continued here unperturbed.
And when it comes to massive migrations, perhaps none is more impressive in North America than the monarch butterfly.
In 2020, due to the lack of human presence, the monarch butterflies were seen in great numbers.
But the butterflies' habitat is being destroyed. Alasdair Baverstock reports from Mexico.