Watch a Breathtaking Monarch Butterfly Swarm

In the mountains of Mexico, a spy hummingbird ventures into the heart of a breathtaking monarch butterfly swarm. Please LIKE and SUBSCRIBE if you enjoyed it! **More info & videos below** “Spy in the Wild 2 - Episode Two: The North“ premieres Wednesday, May 6, at 8|7c on PBS. --------------- For full NATURE episodes, check out Facebook: Twitter: TikTok: @pbsnature Instagram: ----------------- Nature is a production of THIRTEEN for PBS. Throughout its history, Nature has brought the natural world to millions of viewers. The PBS series has been consistently among the most-watched primetime series on public television. ----------------- In the mountains of Mexico, a spy hummingbird ventures into the heart of a breathtaking monarch butterfly swarm. Few filmmakers have bee