Nature Picture Library offers the best nature photographs and footage from the world's finest photographers, to license for commercial and creative use. More than 700,000 images and video clips online, from tigers to turtles and elephants to sharks.
Wild Wonders of Europe / E. Haarberg / Male Black grouse (Tetrao tertrix) displaying, expiring warm air on a cold morning, Bergslagen, Sweden, April 2009
Sven Zacek / Aerial view of a golden and foggy sunrise over a bog area, Alam-Pedja National Park, Tatrumaa county, Southern Estonia. May.
SCOTLAND: The Big Picture / Small pool on bog moorland, Tulloch Moor, Cairngorms National Park, Scotland, UK, August.
Sven Zacek / Bog surrounding river in morning light. Emajoe Suursoo Nature Reserve, Tartumaa, Estonia. October 2015.
Sven Zacek / Sunrise over bog with trees reflected in pool. Endla Nature Reserve, Jogevamaa, Central Estonia. October 2015.
Sven Zacek / Mist over bog with conifers in pre-dawn light. Endla Nature Reserve, Jogevamaa, Central Estonia. June 2016.
Sven Zacek / Frozen bog pool system, aerial view. Endla Nature Reserve, Jogevamaa, Central Estonia. December 2016.
Robert Thompson / Large red damselfly (Pyrrhosoma nymphula) Brackagh Moss NNR, Portadown, Co. Armagh, Northern Ireland. May.
Sven Zacek / Sunrise over a frozen bog pool, Tartumaa, Estonia, November 2014.
Sven Zacek / Ravens (Corvus corax) fighting in bog during snowfall, Tartumaa, Estonia. December.
Sven Zacek / Aerial view at sunrise of fog over bog forest, Tartumaa, Estonia, May 2013.
Sven Zacek / Melting ice in bog in spring, Tartumaa, Estonia, April 2013.