A Year on Planet Earth: Summer

Stephen Fry looks at the impact of summer in the northern hemisphere and winter in the south, revealing that wildlife faces feast, famine, fire and torrential rain in different regions around the world. On Marion Island life has frozen to a standstill, with king penguin chicks facing starvation as their parents left months ago, while in northern Australia it's the dry season, and hooded parrots raise their chicks in termite mounds