The last month has seen a fantastic diversity of images added to our site, including the evocative work of Sandra Bartocha and Werner Bollmann, capturing the light of the Nordic world, Laurie Campbell's Scottish wildilfe and plants, poisonous sea snakes and tree kangaroos from Jurgen Freund, Cyril Ruoso's Namib Desert wild horses, and bold invertebrates from Emmanuele Biggi, Edwiin Giesbers and Robert Thompson, Staffan Widstrand's coverage from New Guinea, Eladio Fernandez's material from Cuba and Haiti, Phil Savoie's Costa Rican wildlife, and a strong range of environmental subjects from specialist Ashley Cooper, plus an engaging set of images on the Thames "swan-upping" tradition.
Emanuele Biggi / Weaver ants (Oecophylla smaragdina) building nest by gluing leaves together with silk, Sabah, Malaysian Borneo.
Robert Thompson / Common wasp (Vespula vulgaris) flying to fuchsia flower, Banbridge, County Down, Northern Ireland.
Edwin Giesbers / RF - Devil's flower mantis (Idolomantis diabolica) male, captive, occurs in Africa. (This image may be licensed either as rights managed or royalty free.)
Phil Savoie / Prairie Rattlesnake (Crotalus viridis) sunbathing, Bozeman, Montana, USA.
Ashley Cooper / Logs bound for a biofuel power station in Workington next to oil tanks in Workington port, Cumbria, UK, with a wind farm in the background.
Ashley Cooper / Lake Hume, the largest reservoir in Australia during the drought which lasted from 1996-2011. In this image the water was at at 19.6% capacity, but at its worse point it was at 2.1% New South Wales,...
Ashley Cooper / Colourful lakes below the peak of Chacaltaya, lake discoloured by mine effluent., Andes, Bolivia. October 2015.
Ashley Cooper / Solar powered air conditioning for the Ashram's hospital. Muni Seva Ashram in Goraj, near Vadodara, India, December 2013.
Eladio Fernandez / View from one of the fortresses windows into the backyard where all the cannon and mortar balls are stored. La Citadelle, UNESCO World Heritage Site, Haiti, August 2016.
Juergen Freund / The Window, Bungle Bungle Range, Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Australia. June 2016.
Cyril Ruoso / Feral Horse (Equus caballus) stallion displaying, Namib-Naukluft National Park, Namibia.
Cyril Ruoso / Feral Horse (Equus caballus) mare and foal few days old. Namib-Naukluft National Park, Namibia
Cyril Ruoso / Feral Horses (Equus caballus) gathering around waterhole, Namib-Naukluft National Park, Namibia.
Cyril Ruoso / Feral Horse (Equus caballus) fight between stallions during mating season. Namib-Naukluft National Park, Namibia.