Male Black grouse (Tetrao / Lyrurus tetrix) at lek, with breath condensing in cold air. Kuusamo, Finland, April.  ,  Animal,Wildlife,Vertebrate,Bird,Birds,Grouse,Black grouse,Animalia,Animal,Wildlife,Vertebrate,Aves,Bird,Birds,Galliformes,Galliforms,Galloanserae,Phasianidae,Tetrao,Grouse,Tetraonidae,Tetraoninae,Tetrao tetrix,Black grouse,Eurasian black grouse,Blackgame,Courting,Temperature,Cold,April,Europe,Northern Europe,North Europe,Nordic Countries,Finland,Male Animal,Condensation,Evaporate,Water Vapor,Water Vapour,Spring,Water,Animal Behaviour,Reproduction,Mating Behaviour,Courtship,Lekking,Negative space,Kuusamo,Northern Ostrobothnia,Breath,Lyrurus tetrix,Northern Black Grouse,Gamebird,Gamebirds,Game bird,Game birds  ,  Markus Varesvuo