Deer rub antlers on a tree branch to shed velvet, mark territory in Czech Forest

buck antlers tree branches velvet shed mark territory habitat wildlife deer animals forest scratching behavior natural ecosystem czech republic nature animal behavior nature photography marking behavior shedding velvet forestry environmental behavior czech forest animal habits animal welfare mammal cervidae territorial marking forest animals wildlife ecosystem animal communication czech wildlife forest ecology wildlife biology marking shedding cold winter camouflage wilderness eastern europe natural habitat wilderness survival winter ecology snow cover snow