Black horse grazes on white winter pasture where the grass is covered with frost

black horse grazes white pasture grass covered frost adaptation mountain horses southeast michigan flat rock accumulated frost black horse bushes chill chill slightly coming cold crystalline ice descended domestic animals breeding earth watching farm farming first snow foot hills freeze slightly frostdew grasses grassland grazing land haze hoar rime hoar meteorology mountain horses mountainspasturage pastureland phenology prewinter period rime fog silver thaw white grass winter meadow winter pasture