One Tree, 47,000 Trunks, 13 Million Pounds — and It's Quietly Dying

That golden aspen grove in Utah isn't a forest. It's a single organism named Pando — one root system, tens of thousands of genetically identical trunks, possibly the heaviest living thing on Earth. And after thousands of years, deer are eating it to death.

by rbtholeSep 6, 2026
  1. Pando (tree)

    The full dossier: ~47,000 stems across 106 acres, roughly 6,000 metric tons, all one clonal quaking aspen sharing a single root system. Estimates put its age in the thousands of years.

  2. Pando: The World's Largest Tree and Heaviest Living Organism

    How a hillside that looks like an ordinary aspen stand is really one plant — and how scientists figured out every trunk is a genetic copy of its neighbor.

  3. Pando - The World's Largest Living Organism!

    A walk into the grove itself, laying out the strange biology of a tree you can stroll through for the length of a city block without ever leaving one individual.

  4. Central Utah's Pando Aspen Clone, Biggest Organism on the Planet!

    On-location in Fishlake National Forest, standing among the trunks and grappling with the scale of a creature you can only really see from the air.

  5. Pando's Voice: Unveiling the Acoustic Wonders of Southern Utah's Most Famous Tree

    Researchers lowered a microphone into the root system to record what a single organism 'sounds like' — the wind, the leaves, and the buzz traveling through shared roots.

  6. Pando, One of the World's Largest Organisms, Is Dying

    The gut-punch: Pando has stopped replacing itself. With wolves and cougars gone, exploding deer herds devour every new sprout, leaving a grove of only elderly trunks and no children.

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