early autumn snow in the mountains of navarino island, province of chilean antarctica, chile

america andes antarctic archipelago atlantic autumn beagle beech canal cape channel chile chilean climate cold colmillos cone deciduous del endemic expedition extreme foliage fuego hemisphere hms horn ice icy island leaves magellanic mountains native navarino nothofagus ocean pacific patagonia peaks puerto slopes snow south southern strait sub subpolar tierra tip tundra williams wulaia yaghan