Great migration 動物遷徙 zebra tufted 簇狀的 Makgadikgadi 馬卡迪加迪 (5 3 2) Nxai Pan 奈鹽沼 (1 - 15) red crab burrow 洞穴 (2 1 14) larvae 幼蟲; 幼體 (2 1 6) walrus Chukchi Seas 楚科奇海 (2 1 7) / -ts- / -- Hosting provided by SoundOn
