Project Upland Podcast
Project Upland Podcast
Podcast Description
Project Upland presents the Project Upland Podcast, a cinematic and science-based production that delivers on the independent storytelling you have come to love. Cohosts AJ DeRosa and Gabby Zaldumbide learn from researchers, biologists, and subject matter experts about birds, nature, conservation, dogs, and more. This podcast is a glimpse into the minds of the curious, obsessive, and hard-working folks who work at Project Upland and an exploration of all the things we find that we can't always include in print.Join us as we travel into the deepest, most obscure, and nerdiest realms of the uplands. After all, these are your stories.
Podcast Insights
Content Themes
Major topics include bird conservation, habitat preservation, and the interconnection between ecology and human activity, with episodes like the Great Basin Sage Grouse series examining habitat needs and human impact on species survival.
Project Upland presents the Project Upland Podcast, a cinematic and science-based production that delivers on the independent storytelling you have come to love.
Cohosts AJ DeRosa and Gabby Zaldumbide learn from researchers, biologists, and subject matter experts about birds, nature, conservation, dogs, and more. This podcast is a glimpse into the minds of the curious, obsessive, and hard-working folks who work at Project Upland and an exploration of all the things we find that we can’t always include in print.
Join us as we travel into the deepest, most obscure, and nerdiest realms of the uplands. After all, these are your stories.
From old wives’ tales and 19th-century scientific debates to Ice Age genetics and modern survival studies, the color phases of Ruffed Grouse tell a much more complicated story than simply red versus gray.
Why are some Ruffed Grouse gray while others are red, brown, or somewhere in between? In this episode, Gabby and AJ trace more than a century of attempts to answer that question—from old New England folklore to modern genetic and survival research.
The story begins with Gordon Gullion’s four primary color phases—silver-gray, intermediate-gray, brown, and red—and nearly 60 recurring color variations. Along the way, we revisit some persistent myths, including claims that color reveals a grouse’s sex or age, that eating acorns produces gray birds, or that different colors simply represent different subspecies.
Those questions lead back to scientific debates stretching into the 1800s, when ornithologists tried to explain why red and gray birds occurred at different frequencies across the continent. They also reveal how our understanding of Ruffed Grouse subspecies has changed dramatically as classifications based on appearance have collided with modern genetic evidence and the evolutionary history left behind by the Ice Age.
But perhaps the most fascinating explanation for geographic color differences is survival. Gordon Gullion observed that predators and severe winters appeared to disproportionately affect red-phase grouse. Decades later, researchers tracking radio-marked grouse found that red birds survived better during snow-free periods, while gray birds had the advantage when snow covered the landscape.
That changes how we think about a map filled with gray grouse in colder northern regions and red grouse farther south. Those patterns may not simply reflect which colors are being produced—they may reflect which birds survive. And as winters warm, snowpack becomes less reliable, and freeze-thaw cycles increase, the century-old mystery of Ruffed Grouse color may also offer a glimpse into how this iconic bird responds to a changing climate.
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