David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.

David Perpinan / Aeroplane flying in front of a total lunar eclipse, also called a Blood Moon, Barcelona, Spain, 27th July 2018.

Gavin Hellier / Timelapse from day to night looking over the Gaudi House Museum, Barcelona, Catalonia, Spain, May 2016. Hellier

Staffan Widstrand / Bonelli's eagle or Eurasian hawk-eagle, Hieraetus fasciatus or Aquila fasciata, picture taken from hide, at a feeding station for conservation purposes, utillizing live domestic pigeons caught as pest...

Staffan Widstrand / Eurasian griffon vulture (Gyps fulvus) blurred motion photograph at wildlife watching and vulture feeding site, Pre-Pyrenees, Catalonia, Spain, March.

Juan Manuel Borrero / Wind turbines, Collet dels Feixos, Tarragona, Catalonia, Spain, May 2013.

Juan Manuel Borrero / Vineyard landscape, Planes del Priorat Area of Natural Interest, Tarragona, Catalonia, Spain, May 2013.

Juan Manuel Borrero / Vineyard landscape, Planes del Priorat Area of Natural Interest, Tarragona, Catalonia,Spain, May 2013.

Juan Manuel Borrero / Vertical garden on the walls of a tower block, Barcelona. Catalonia. Spain, June 2013.

Inaki Relanzon / Lesser Horseshoe Bat (Rinolophus hipposideros) hibernating in Forat de l'Or cave in Terradets Canyon, Pyrenees, Lleida, Catalonia, Spain, December

Inaki Relanzon,Inaki Relanzon / Male Little bustard (Tetrax tetrax) displaying, Catalonia, Spain, May.

Inaki Relanzon,Inaki Relanzon / Romanesque Church of Mare de Deu de la Pertusa, Serra del Montsec, Pyrenees, Catalonia, Spain, February 2013.