Juan Carlos Munoz / Trunk of an Italian stone pine tree (Pinus pinea) in Sierra de Andujar Natural Park. Andalusia, Spain, Feb 2010

Juan Carlos Munoz / Bark of an Italian stone pine (Pinus pinea) in Sierra de Andujar Natural Park. Andalusia, Spain, Feb 2010

Angelo Gandolfi / Short-toed Eagle (circaetus gallicus) flying amongst Stone Pines (Pinus pinea). Coto Donyana, Andalusia, Spain. 2007.

Jose B. Ruiz / Looking up the trunk of an Italian pine stone tree (Pinus pinea) Alicante, Spain

Lynn M. Stone / Roseate spoonbill (Platalea ajaja) perched in Bald cypress tree (Taxodium distichum) with flowering Cardinal air plant (Tillandsia fasciculata). Big Cypress Swamp National Preserve, Florida, USA.

Juan Carlos Munoz / Stone pine (Pinus pinea) close up of tree bark, Toledo, Castilla-La Mancha, Spain.

Juan Carlos Munoz / Spanish fly (Lytta vesicatoria) on Stone pine (Pinus pinea) bark. Toledo, Castilla-La Mancha, Spain. April.

Ernie Janes / Bark of Stone pine (Pinus pinea) Coto Donana, Spain.

Ernie Janes / Stone pine (Pinus pinea) trees, Coto Donana, Spain.

Dietmar Nill / Flock of Common starlings (Sturnus vulgaris) perched in a Stone pine (Ponus pinea) at dusk, Rome, Italy, December.

Dietmar Nill / Flock of Common starlings (Sturnus vulgaris) perched in a Stone pine (Ponus pinea) at dusk, Rome, Italy, December.

Cyril Ruoso / Italian stone pine (Pinus pinea) and coastal landscape, Alberes Mountains, Pyrenees, France, October 2011.

Cyril Ruoso / Italian stone pine (Pinus pinea), Alberes Mountains, Pyrenees, France, October 2011.

Lynn M Stone / Eastern gray squirrel (Sciurus carolinensis) on pine tree, Osprey, Florida, USA

Lynn M Stone / Eastern gray squirrel (Sciurus carolinensis) foraging in pine needles, Osprey, Florida, USA , March.

Albert Lleal / Italian Stone Pine (Pinus pinea) stamen, magnified 14 times, of male flower, Barcelona, Spain

Martin Gabriel / Italian stone pine (Pinus pinea) and reed beds in lagoon, Po Delta, Italy, November.

Vladimir Medvedev / Siberian dwarf pine (Pinus pumila) forest, Amur Region, Russia.

Vladimir Medvedev / Siberian dwarf pine tree (Pinus pumila) cones, Amur Region, Russia.

LYNN M. STONE / Eastern box turtle (Terrapene carolina carolina) in pine forest, by Painted Trillium flower, Connecticut, USA

Olga Kamenskaya / Siberian dwarf pine (Pinus pumila) Zabaikalsky National Park/ Barguzin prezerv, Lake Baikal, Siberia, Russia, September 2013.

Klaus Echle / Beech / Stone marten (Martes martes) juveniles in tire by wood store, Black Forest, Baden-Wurttemberg, Germany. May.

Pal Hermansen / Stone pine (Pinus pinea) forest, near Sevilla, Spain, December

Pal Hermansen / Stone pine (Pinus pinea) forest, near Sevilla, Spain, December

Eric Medard / Stone marten (Martes foina) taken at night with infra red remote camera trap, France. December.

LYNN M. STONE / Southern Barred Owl (Strix varia georgica) perched on a pine branch in late afternoon, Myakka City, Florida, USA. Non-exclusive

LYNN M. STONE / Southern Barred Owl (Strix varia georgica) perched on a pine branch in late afternoon, Myakka City, Florida, USA. Non-exclusive

LYNN M. STONE / Southern Barred Owl (Strix varia georgica) perched on a snag in late afternoon, Myakka City, Florida, USA

Juan Manuel Borrero / Illustration of tracks: Wild Cat (Felis silvestris) Pine Marten (Martes martes), Beech Marten (Martes foina) and Eurasian Badger (Meles meles). Pencil and watercolor painting.

LYNN M. STONE / Osprey (Pandion haliaetus) perched in dead pine; , Florida, USA

Mike Read / Bark of Stone Pine (Pinus pinea) showing characteristic pattern. Corsica, France, April.

Konrad Wothe / Swiss Pine / Stone Pine (Pinus cembra) on mountains slope. Austria.

LYNN M. STONE / Portrait of Smooth haired, red Dachshund standing on club moss among autumn oak leaves and rain-soaked pine needles Connecticut, USA

LYNN M. STONE / Domestic dog, long-haired standard Dachshund amongst pine needles, Sarasota, Florida, USA

Juan Manuel Borrero / Italian stone pine wood (Pinus pinea), Sierra Litoral Natural Park, Barcelona, Catalonia, Spain.

Juan Manuel Borrero / Italian stone pine wood (Pinus pinea) Sierra Litoral Natural Park, Barcelona, Catalonia, Spain.

Angelo Gandolfi / Early spring flowers and Stone Pine (Pinus pinea) woodland at Coto Donana National Park. Andalusia, Spain, 2007.

Angelo Gandolfi / Typical wetland and Stone Pine (Pinus pinea) scrub landscape, Coto Donana National Park, Andalusia, Spain, 2007.

Rolf Nussbaumer / Spotted Nutcracker (Nucifraga caryocatactes) adult perched on Stone pine tree, minus 15 Celsius, Davos, Switzerland, December

Rolf Nussbaumer / Spotted Nutcracker (Nucifraga caryocatactes) adult perched on Stone pine tree, minus 15 Celsius, Davos, Switzerland, December

Albert Lleal / Italian Stone Pine (Pinus pinea) SEM close-up view of a male flower showing cone-shaped stamens at 35x magnification

Albert Lleal / Italian Stone Pine (Pinus pinea) SEM close-up view of a male flower showing cone-shaped stamens at 14x magnification

Jose B. Ruiz / Italian stone pine tree {Pinus pinea} photographed with long exposure at night with star trails behind, Torremanzana, Alicante, Spain

Jose B. Ruiz / Italian pine stone tree (Pinus pinea) Villena, Alicante, Spain

Jose B. Ruiz / Close up of bark of an Italian pine stone tree (Pinus pinea) Alicante, Spain

Jose B. Ruiz / Looking up the trunk of an Italian pine stone tree (Pinus pinea) Alicante, Spain

Jose B. Ruiz / Italian stone pine tree {Pinus pinea} photographed with long exposure at night with moon and star trails behind, Villena, Alicante, Spain

Jose B. Ruiz / Close up of bark of Italian pine stone tree (Pinus pinea) Villena, Alicante, Spain

Jose B. Ruiz / Italian pine stone tree (Pinus pinea) Villena, Alicante, Spain

Roger Powell / Stone Pine trees (Pinus pinea) and farmhouse amongst cattle pasture in Extremaduran landscape, Spain

Albert Lleal / Italian Stone Pine (Pinus pinea) bark detail, Barcelona, Spain

Niall Benvie / Wood ant {Formica rufa} on stone beside pine needles, Norway

Niall Benvie / Wood ant {Formica rufa} on stone beside pine needles, Norway

Niall Benvie / Wood ant {Formica rufa} on stone beside pine needles, Norway

LYNN M. STONE / American pine marten {Martes americana} climbing tree in snow, captive, USA

LYNN M. STONE / American Pine marten {Martes americana} climbing tree in snow, captive, USA

LYNN M. STONE / American pine marten in tree (Martes americana) captive, USA

Jose B. Ruiz / Italian stone pine trees and cut logs {Pinus pinea} Cadiz, Spain

LYNN M. STONE / American Pine Marten (Martes americana) in tree

Adrian Davies / Maritime pine (Pinus pinea) tree bark with solidified resin following resin tapping, Portugal. June.

Konrad Wothe / Ancient Swiss stone pine (Pinus cembra) tree growing on mountainside, Pragser Dolomite Mountains, Alps, Southern Tyrol, Italy. September.

Rolf Nussbaumer / Pine warbler (Dendroica pinus) male perched in blossoming Peach (Prunus persica) tree. Hill Country, Texas, USA.

Olga Kamenskaya / Siberian dwarf pine (Pinus pumila) growing on lake shore, Lake Baikal, Siberia, Russia. July.