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Rocky Mountain Grouse - Scouting begins..
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09-16-2025, 08:39 AM
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Lloyd McKissick
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Dean:
Those are spinning tricorythodes mayflies. The "spinning" is their mating dance. Afterwhich the females fall upon the waters surface with their wings outstretched, or "spent".
Not sure where the males end up, likely at the bar.
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Dean Romig