BBC Earth (HD) Dropped amidst snow capped mountains, Uzo and Bear move quickly as a storm sets in, sending hail, lightning and flash floods their way. 2026-10-07 How did the ostrich get the world's largest egg? Chris Packham explores how the drive to reproduce has shaped life. From the first sex to the origin of eggs, feathers, and flight. 2026-10-07 On the final leg, Michael tries to avoid toxic moths and attends a carnival parade. 2026-10-07 Join Ryan and his team as they continue the mammoth trek that began in Vaduz, Liechtenstein, meeting a fascinating collection of characters along their path, as they draw ever closer to their goal of arriving in Montreux on the shores of Lake Geneva, in this double episode of Extreme Treks. 2026-10-07 Steve Backshall is in the Middle Eastern nation of Oman, in search of some of the brainiest, most intelligent hunters our planet has ever seen, as well as a shark species we have never seen before. 2026-10-07 Steve is in the urban jungle in Chile looking for animals that thrive downtown. Chile is boarded on the west by the pacific ocean. Sea birds and sea lions thrive close to the shore. 2026-10-07 How did the ostrich get the world's largest egg? Chris Packham explores how the drive to reproduce has shaped life. From the first sex to the origin of eggs, feathers, and flight. 2026-10-07