Guatemala’s Lake Atitlán is often listed among the world’s most beautiful lakes. Formed 84,000 years ago when built-up gases blew the top off a massive volcano, the lake is more than 1,100 feet deep and cradled by three newer volcanoes, their looming profiles visible through a low layer of fog as my boat crosses the water just before sunrise. I’ve come to the Atitlán region to catch a glimpse of some of the more than 400 bird species that have been spotted here, as well as experience a culture whose living traditions span centuries. Approaching the town of San Juan, the boat passes between subsistence fishermen tending to their lines and traps. As we glide up to the wharf, I meet my Mayan birding guides Juan Chocoy, Juan Soliz, and Benjamin Hernandez. The three guides are participating in an innovative guide-training program supported by 蜜柚APP. Through bird-based tourism, the program promotes conservation in Latin America and the Caribbean by creating economic...