High Fives at High Elevations: Five-Needle Pine Trees of Yellowstone
February 12, 2026
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
Presented by Lou Duloisy
Meet the hardy pine species silently shaping entire mountain ecosystems. Expedition Leader Lou Duloisy introduces us to the high-elevation world of whitebark and limber pines—long-lived, five-needle pine trees that support wildlife ranging from birds to bears. Hear insights from her research in the Greater Yellowstone Ecosystem, learn how these vital species impact their environments and discover the threats they face from climate change, pine beetles and disease.
Meet the hardy pine species silently shaping entire mountain ecosystems. Expedition Leader Lou Duloisy introduces us to the high-elevation world of whitebark and limber pines—long-lived, five-needle pine trees that support wildlife ranging from birds to bears. Hear insights from her research in the Greater Yellowstone Ecosystem, learn how these vital species impact their environments and discover the threats they face from climate change, pine beetles and disease.
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PO Box 3065 · Boulder, CO, USA 80307
303-449-3711 International · 800-543-8917 U.S. & Canada
PO Box 3065 · Boulder, CO, USA 80307
303-449-3711 International · 800-543-8917 U.S. & Canada