One of Angelina's elephant family is in oestrus, four days during which she's ready to mate. This only happens about once in every four years and it can attract bulls from far and wide. Normally placid males try to get close to the female, putting the herd's twin calves at risk.

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Dynasties II (2022)
From Patagonia's frozen Andes, to the plains of Zambia, to sprawling grasslands in the shadow of Mount Kilimanjaro, Dynasties II returns - more captivating and compelling than ever, providing fresh insights into the secret lives of some of the most charismatic animals on the planet. Dynasties II features surprising, dramatic, and heart-warming stories with iconic favourites, elephant and cheetah, as well as unearthing the stories of some unsung heroes of the animal kingdom, puma and hyena.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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