Peter Cairns / Wood patterns in Lodgepole pine (Pinus contorta) Yellowstone National Park, Wyoming, USA, January.

Donald M. Jones / Black Bear (Ursus americanus) yearling cub up in a Lodgepole Pine (Larix laricina), Alberta, Canada

Claudio Contreras / Sierra lodgepole pine (Pinus contorta var murrayana) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico. 2011.

Claudio Contreras / Sierra lodgepole pine (Pinus contorta murrayana) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Phil Savoie / Lodgepole pine forest (Pinus contorta) around Hylaite lake, with Bridger mountains, Rocky Mountains, Montana, USA, July 2011.

Sebastian Kennerknecht / Lodgepole Pine (Pinus contorta) trees in winter, Mammoth Hot Springs, Yellowstone National Park, Wyoming

Jeff Foott / Aerial photograph of Lodgepole Pine forest (Pinus contorta) with dead trees killed by Mountain pine beetle (Dendroctonud ponderosae) Clear cut areas only have young trees. Granby, Colorado, USA. Oct...

Jeff Foott / Lodgepole pine forest (Pinus contorta) with trees killed by Mountain pine beetle (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA. October. The current outbreak of mountain pine b...

Jeff Foott / Aerial photograph of Lodgepole Pine forest (Pinus contorta) with many dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Granby, Colorado, USA. October. The current outbreak of mount...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine, Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This...

Sebastian Kennerknecht / Lodgepole Pine (Pinus contorta) trees along river, Tuolumne River, Grand Canyon of the Tuolumne, Yosemite National Park, Sierra Nevada, California

Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta), Grand Teton National Park, Wyoming

Jeff Foott / Lodgepole Pine (Pinus contorta) tree with pheromone packet to deter an attack from Mountain Pine Beetle (Dendroctonus ponderosae), Colorado

Jeff Foott / Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado

Jeff Foott / Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado

Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest, Colorado

Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine (Pinus contorta), Wyoming

Jeff Foott / Lodgepole Pine (Pinus contorta) pitch tubes, showing where Mountain Pine Beetle (Dendroctonus ponderosae) attacked tree, and tree tried to pitch it out, Colorado

Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest with some healthy trees, Colorado

Gerrit Vyn / Lodgepole pine cones (Pinus contorta), Teton County, Wyoming, USA. May.

Gerrit Vyn / Clark's nutcracker (Nucifraga columbiana) nest and chicks in a Lodgepole pine (Pinus contorta) Teton County, Wyoming, USA. May.

Matthew Maran / Shore Pine (Pinus contorta) on coast, with rocks showing tide line, Barkley Sound, Vancouver Island, Canada.

Matthew Maran / Mixture of Shore Pine (Pinus contorta) Western redcedar (Thuja plicata) Western Hemlock (Tsuga heterophylla) on the coast of the Barkley Sound, Vancouver Island, Canada.

Donald M. Jones / Black Bear (Ursus americanus) yearling cub up in a Lodgepole Pine (Larix laricina), Alberta, Canada

Michael Durham / Lodgepole Pine (Pinus contorta) dispersing pollen through wind, western Oregon

Michael Durham / Lodgepole Pine (Pinus contorta) dispersing pollen through wind, western Oregon

Yva Momatiuk & John Eastcott / Lodgepole Pine (Pinus contorta) trees, Inyo National Forest, California

Yva Momatiuk & John Eastcott / Lodgepole Pine (Pinus contorta) trees bending in strong wind, Inyo National Forest, California

Donald M. Jones / Pine Siskin (Carduelis pinus) on Lodgepole Pine (Larix laricina) cones, western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) in winter on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) in winter on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) in winter on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) in winter on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Mountain Chickadee (Poecile gambeli) in winter on Lodgepole Pine (Larix laricina), western Montana

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Donald M. Jones / Black-capped Chichadee (Poecile atricapillus) in Lodgepole Pine (Larix laricina) tree in winter, western Montana

Donald M. Jones / Black-capped Chichadee (Poecile atricapillus) in Lodgepole Pine (Larix laricina) tree, western Montana

Pete Oxford / Lodgepole Pine (Larix laricina) forest with dead trees caused by flood, Yellowstone National Park, Wyoming

Pete Oxford / Lodgepole Pine (Larix laricina) forest with dead trees caused by flood, Yellowstone National Park, Wyoming

Matthias Breiter / Lodgepole Pine (Larix laricina) standing on a rise on the edge of a frozen lake Along the tundra-taiga Ecotone, isolated stands of trees cling on to live along lake shores, North American Arctic

Michael Quinton / Red Squirrel (Tamiasciurus hudsonicus) feeding on Lodgepole Pine (Pinus contorta) pinecone in the fall, Idaho

Jeff Foott / Lodgepole Pine (Larix laricina) pollen on lakeshore, Tenya Lake, Tuolumne Meadows, Yosemite National Park, California

Benjamin Olson / Great Gray Owl (Strix nebulosa) in Lodgepole Pine (Larix laricina) tree in winter, Sax-Zim Bog, Minnesota

Jeff Foott / Lodgepole Pine (Pinus contorta) and Quaking Aspen (Populus tremuloides) trees in fall, Grand Teton National Park, Wyoming

Jeff Foott / Lodgepole Pine (Pinus contorta) and Quaking Aspen (Populus tremuloides) trees in fall, Grand Teton National Park, Wyoming

Benjamin Olson / Great Gray Owl (Strix nebulosa) in Lodgepole Pine (Larix laricina) forest in snow, Sax-Zim Bog, Minnesota

Benjamin Olson / Great Gray Owl (Strix nebulosa) landing in Lodgepole Pine (Larix laricina) forest in snow, Sax-Zim Bog, Minnesota

Benjamin Olson / Lodgepole Pine (Larix laricina) trees in swamp in fog at sunrise, Superior National Forest, Minnesota

Benjamin Olson / Great Gray Owl (Strix nebulosa) in Lodgepole Pine (Larix laricina) tree in winter, Sax-Zim Bog, Minnesota

Benjamin Olson / Lodgepole Pine (Larix laricina) young needles with dew, Ely, Minnesota

Sebastian Kennerknecht / Lodgepole Pine (Pinus contorta) forest on lake shore in sub-alpine zone, Ansel Adams Wilderness, Sierra Nevada, California

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Lodgepole Pine (Larix laricina) in winter, western Montana

Jack Dykinga / Morning Glory Pool caused by geothermal activity, surrounded by Lodgepole pines (Pinus contorta), Yellowstone National Park, Wyoming, USA.

SCOTLAND: The Big Picture / Lodgepole pine (Pinus contorta) trees, a non-native species, surrounding Lochan nan Geadas, Cairngorms National Park, Scotland, UK. September, 2017.

Jack Dykinga / Grand Prismatic Geyser, Middle Geyser Basin, during a frigid sunrise, with steam filtering through the Lodgepole pines (Pinus contorta) in the background, Yellowstone National Park, USA, September, 20...

Jack Dykinga / Grand Prismatic Geyser, Middle Geyser Basin, at sunrise, with steam filtering through the Lodgepole pines (Pinus contorta) in the background, Yellowstone National Park, USA, September, 2021.