male hazel grouse tetrastes bonasia sings his song on the birch branch in light forest

aged animals birch birds bonasia branch bustling call calling calls cry crying environment forest grouse habitat hazel hen his lichen light look looking loud male moss nature noise noisy old perched pose posing posture shout shouting sing singing sings sitting snag song sound sounding stance stock stump surrounding tetrastes tumultuous vocal vocalic voice wild wildlife