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

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.

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.

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.

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

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

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

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.

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

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

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