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

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 / Mountain pine beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine tree, Wyoming. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change, mo...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) male and female in Lodgepole Pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particula...

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

Jeff Foott / Saw dust (frass) at base of Lodgepole Pine tree trunk where Mountain pine beetles (Dendroctonus ponderosae) have drilled through the bark.Resin / pitch indicate the beetles' entry holes. Grand Teton N...

Jeff Foott / Mountain pine beetle ( Dendroctonus ponderosae) trying to enter Lodgepole Pine tree, Grand Teton National Park, USA, August. The current outbreak of mountain pine beetles has been particularly aggres...

Jeff Foott / Dead Lodgepole Pine trees killed by Mountain pine beetle (Dendroctonus ponderosae) that have blown down creating a fire hazard. USA, July. The current outbreak of mountain pine beetles has been part...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) entrance hole into Lodgepole Pine tree with sap / pitch tube, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) being 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. The current outbreak of mountain pine b...

Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...

Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...

Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...

Jeff Foott / Lodgepole pine tree pitch tube, part of tree defence against Mountain pine beetles (Dendroctonus ponderosae) Grand Teton National Park, Wyoming. USA. The current outbreak of mountain pine beetles has...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles...

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, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate cha...

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...

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

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

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) larvae in horizontal tunnels that eventually will kill the tree. in Lodgepole Pine, Grand Teton National Park, Wyoming, USA, August. The current outbrea...

Jeff Foott / Mountain pine beetle( Dendroctonus ponderosae) trying to enter Lodgepole Pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particular...

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 / 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.

Jeff Vanuga / Lodgepole Pine (Pinus contortus) grow amongst trees killed by the 1988 fire on Dunn Ravin Pass. Yellowstone National Park, Wyoming, July 2009.

Jeff Vanuga / Lodgepole Pine (Pinus contorta) regrowth after the Yellowstone Fires of 1988. Norris Junction, Wyoming, September 2010.

Shattil & Rozinski / Deforestation of Lodgepole pine trees (Pinus contorta latifolia) Wyoming, USA

Shattil & Rozinski / Lodgepole pines (Pinus contorta latifolia) one having been killed by bark beetles, Rocky Mountain National Park, Colorado, USA

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 / 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

Jeff Vanuga / Regrowth of Lodgepole pines (Pinus contorta latifolia) in the Madison Area of yellowstone National Park, Wyoming, USA, 2007

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

Jeff Vanuga / Lodgepole pine trees {Pinus contorta latifolia} Regrowth in 2006 after fires of 1988, Wyoming, USA Note - in background, dead trees killed by fire

Jeff Vanuga / Lodgepole pine trees {Pinus contorta latifolia} regrowth in 2006 after fires of 1988, Wyoming, USA Note - in background trees killed by fire

Jeff Vanuga / Regrowth of Lodgepole pine trees in 2006 {Pinus contorta latifolia} between standing dead trees, killed after fires of 1988, Wyoming, USA

Steven Fuller / Burnt trunk of Lodgepole pine tree killed in forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Close up of bark of Lodgepole pine tree burnt in forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Burnt trunk of Lodgepole pine tree after forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Close up of Bark of Lodgepole pine tree cracked by heat from forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Close up of bark of Lodgepole pine tree burnt in forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Close up of bark of Lodgepole pine tree burnt in forest fire, Yellowstone NP, Wyoming, USA. 1988

Steven Fuller / Close up of bark of roots of Lodgepole pine tree burnt in forest fire, Yellowstone NP, Wyoming, USA. 1988

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

Pete Cairns / Five Lodgepole pine tree trunks in snow abstract, Yellowstone NP, Wyoming, USA

Pete Cairns / Abstract of Lodgepole pine tree trunks {Pinus contorta latifolia} Yellowstone NP, USA

Pete Cairns / Lodgepole pine tree trunks {Pinus contorta latifolia} Yellowstone NP, Wyoming, USA

Pete Cairns / Dead Lodgepole pine trees regenerating after fire {Pinus contorta latifolia} Wyoming, USA

Pete Cairns / Dead Lodgepole pines showing regeneration after fire {Pinus contorta} Yellowstone, Wyoming,

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 / 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

Duncan Mcewan / Lodgepole pine tree {Pinus contorta} young shoot, May, Inverness-shire, Scotland

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

Steve Gettle / Lodgepole Pine (Pinus contorta) dead trees in geothermal area, Yellowstone National Park, Wyoming

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.