SCOTLAND: The Big Picture / RF - Black Grouse (Tetrao tetrix), two males fighting on lek , Scotland, UK.April (This image may be licensed either as rights managed or royalty free.)
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Nick Garbutt / Andean cock-of-the-rock (Rupicola peruvianus), male displaying at lek in tree. Manu Biosphere Reserve, Amazonia, Peru.
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Sergey Gorshkov / Black Grouse (Tetrao tetrix) males fighting at lek in the snow, Tver, Russia. April
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SCOTLAND: The Big Picture / Two male Black grouse (Tetrao tetrix) displaying at a lek, Cairngorms National Park, Scotland, UK, April.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) male displaying on a lek in snow, Sublette County, Wyoming, USA. April.
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Sven Zacek / Black grouse (Tetrao tetrix) males lekking at sunrise, Southern Estonia, April.
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Andy Trowbridge / Capercaillie (Tetrao urogallus) male displaying in Scots pine tree (Pinus sylvestris) Southern Norway. May.
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Markus Varesvuo,Markus Varesvuo / Two male Black grouse (Lyrurus tetrix) displaying at lek, Utajarvi, Finland, April.
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Markus Varesvuo,Markus Varesvuo / Two male Black grouse (Lyrurus tetrix) displaying at lek, Utajarvi, Finland, April.
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Markus Varesvuo,Markus Varesvuo / Two male Black grouse (Lyrurus tetrix) displaying at lek, Kuusamo, Finland, April.
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Roger Powell / Little Bustard (Tetrax tetrax) male display, jumping on the lekking ground, Guerreiro, Castro Verde, Portugal, April
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Peter Cairns / Black grouse (Tetrao tetrix) male displaying in lekking area, abstract, Cairngorms NP, Highlands, Scotland, UK, April
