two black grouse fighting at lek with one black grouse soft in the background, at sunrise in spring, april, in norway

animal austagder background beak behavior behaviour bird birding birdwatching black blackgame bog copyspace early eyebrow forest game grouse leadership lek leking lekking leksite male mating morning natural nature nordic norway ornithology playing red scandinavia season species spring springtime sunrise tetrao tetrix wetland wild wilderness wildlife