David Tønnessen
David began his birding journey in Colorado and has since been fortunate to travel to many corners of North America in pursuit of his passion. No matter where birding takes him, he always returns to the vast wild spaces and rich avifauna of his home state. With its extraordinary diversity of habitats and expansive public […]
Simon Tolzmann
Simon is a passionate birder, conservationist, and seasoned wildlife photographer with over a decade of birding experience and four years of guiding expertise. Originally from Chicago, IL, he now studies Conservation Biology at Colorado State University. His love for the natural world began at age two, sparking a lifelong curiosity about the natural world. He […]
Cole Sage
Cole’s fascination with birds began at a young age when he spotted a group of Western Tanagers in his backyard—an encounter that sparked a passion for birding that has since taken him across much of the United States. No place draws him more than Colorado, where the state’s mountains, plains, and diverse ecosystems provide exceptional […]
Luke Pheneger
Luke is from Longmont, Colorado, and has lived in Boulder County his entire life. He began birding at age eight, when his mom—also a birder—pointed out a Ruddy Duck. From that moment on, he has been captivated by the world of birds. While he has birded across the United States and abroad, Luke primarily focuses […]
John Wilson
John grew up in a family that loved the outdoors and has been exploring nature for as long as he can remember. Raised in northeastern Arizona, he spent his childhood identifying anything he could find across the region’s varied landscapes. At age 15 he was introduced to birding, and since then he has traveled widely […]
Nell Smith
Nell’s early fascination with natural history in Maine sparked her love of birds, but she didn’t begin birding in earnest until moving to Arizona in her twenties. Since then, she has made up for lost time, birding everywhere from the Midriff Islands of the Gulf of California to the Arctic tundra of Alaska’s North Slope. […]
