In late October, ornithologist Gerardo Marrón led a team of scientists from Mexico and the San Diego Natural History Museum on an expedition in the Sierra de las Cacachilas, located southeast of La Paz in Baja California Sur. The purpose of their journey was to study the area’s rich biodiversity, with hopes of spotting the elusive elf owl, the smallest owl species in the world, measuring just 5 inches tall.
As night fell, the temperature dropped, bringing a gentle breeze that rustled through the trees. Marrón used a combination of pre-recorded calls and his own vocalizations to attract the owls, creating a haunting echo in the stillness of the mountains. His dedication to ornithology extends beyond mere observation; he aims to bridge the gap between scientific research and community engagement.
Marrón’s Journey into Ornithology
Born into a family deeply connected to nature, Marrón’s passion for wildlife began at an early age. His father grew up on a ranch, while his mother hailed from a coastal fishing community. Despite his mother’s protective nature, Marrón’s curiosity led him to conduct impromptu experiments with ants during his childhood. This early fascination with nature paved the way for his future career in ornithology.
Marrón’s path officially began at the Autonomous University of Baja California Sur, where he was introduced to a bird lab while studying marine biology. A pivotal field trip to Guerrero Negro ignited his passion for birds, allowing him to witness flocks of shorebirds and ducks in their natural habitat. This experience solidified his desire to explore and study the avian species of Baja California Sur.
Contributions to Science and Community
With nearly two decades of experience in the field, Marrón has focused his research on the more than 400 bird species that inhabit Baja California Sur. His work with Pronatura Noroeste has also involved community outreach, exemplified by his recent organization of a Christmas bird count in Las Cacachilas. This initiative encourages local participation in birdwatching and conservation.
The elf owl is relatively common in Baja California Sur but is classified as endangered in California. Spotting one during the expedition brought a sense of joy to the team, highlighting the unique wildlife the region has to offer.
Marrón’s commitment to connecting young people with nature is evident in his educational programming. He aims to inspire the next generation of scientists, particularly in communities outside La Paz. “What we want to do is try to bring the researchers to the young people,” he explained. “When I was a kid, I never had the chance to know that was a possibility.”
As part of this mission, Marrón emphasizes the importance of hands-on experiences in the field. He shares that even if a species is already discovered, there may be opportunities for young people to contribute to new findings.
Marrón’s work exemplifies the intersection of exploration and education. He believes that every expedition offers answers to questions about the diverse ecosystems of Baja California Sur.
During the expedition, he expressed that his favorite part of the job is the exploration itself. “There are a lot of places in Baja California Sur that have not been touched,” he noted. This passion drives his research and underlines the significance of preserving the region’s biodiversity.
In addition to his ornithological pursuits, Marrón’s personal experiences have shaped his understanding of nature. He reflects on the joy of observing various bird species, noting that every encounter with an owl or unique bird reinforces his commitment to conservation.
Marrón’s journey illustrates the profound connection between humans and nature, as well as the necessity of nurturing that bond in future generations. By fostering curiosity in young minds, he hopes to cultivate a new wave of environmental stewardship. Through his work in Baja California Sur, Marrón continues to inspire a deeper appreciation for the remarkable avian life that thrives in this unique region.






































