Jack Dykinga / Ponderosa pine (Pinus ponderosa) growing in Grand Staircase-Escalante National Monument, Utah, October 2014.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) against a star filled sky with a brilliant Milky Way. Zion National Park, Utah, USA, September.

Jack Dykinga / Bark patterns of Aspen tree (Populus tremula) in front of a Ponderosa pine (Pinus ponderosa) trunk, Kaibab National Forest, Arizona, USA

Floris van Breugel / Ponderosa pine (Pinus ponderosa) grove at twilight under a heavy snowfall, Deschutes National Forest, Oregon, USA. December 2009

Floris van Breugel / Ponderosa Pine trees (Pinus ponderosa) coated in frost, during heavy snowfall, Deschutes National Forest, Oregon, USA, December 2009

Jack Dykinga / Lone Ponderosa pine tree {Pinus ponderosa} in front of canyon walls showing drip mark fractures, Long Canyon, Grand Staircase-Escalante National Monumnet, Utah, USA

Jack Dykinga / Silhouette of lone Ponderosa pine on a sandstone spire at dusk, with crescent moon, Zion National Park, Utah, USA

Donald M. Jones / Chestnut-backed Chickadee (Poecile rufescens) on Ponderosa Pine (Pinus ponderosa) cone, western Montana

Jack Dykinga / Snow covered Ponderosa Pine (Pinus ponderosa) branches with North Rim in the Background, Grand Canyon NP, Arizona, USA

Jack Dykinga / Ponderosa Pine (Pinus ponderosa) pine cone and needles in the snow, South Rim, Grand Canyon NP, Arizona, USA

Jack Dykinga / Ponderosa pine cones {Pinus ponderosa} and drift wood amid canyon wall reflections in Death Hollow, Grand Staircase-Escalante, Utah, USA

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) trees with snow, Grand Canyon National Park, Arizona