The video begins with images of a forest where hundreds of millions of monarch butterflies are hibernating. They migrate here from Canada to escape the frigid winter in the North. However, scientists have yet to explain how these butterflies can accurately find their way to this winter refuge each year.
Researchers have utilized a hummingbird-shaped robot to approach the butterfly swarm. While resting, the butterflies cluster together to conserve warmth. As winter comes to an end, the sun begins to warm the delicate wings of the monarchs. When temperatures reach around 10 degrees Celsius, the butterflies take to the skies. This breathtaking spectacle occurs only once a year, leaving many visitors in awe and delight.
