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: 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 mostwatched 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