freezing frost home landscape property shrub snow tree winter woody plant autumn bee brown flowers green honey leaf legs stem wings yellow blue granite gray guardrail pine road rock sky trees tunnel grass grassland larch mountain Mountainous landforms Natural landscape plant slope fall fungus HDR log mushroom mushrooms Nyberg sponge sponges toadstool wood baby elephant bull bush elephant herd one tusk protect river stream Tusker water acorn food fruit pest produce silk Terrestrial plant twig vegetable animal bird bony casque cassowary casuarius feather feathers flightless helmet horn huge isolated ostrich Arizona clouds colours desert layers nature Painted Desert Petrified wood shrubs siltstone wilderness breading herd cow