Celebrating Ambika’s 56 years at National Zoo In Animals, Science & Nature, Video / 29 August 2017 On World Elephant Day–Saturday, Aug. 12, 2017–the Smithsonian’s National Zoo celebrated Ambika the elephant’s 70th birthday. Hear her keepers of more than 30 years talk about what it’s like to work with the matriarch of the Zoo’s herd. Related posts: Poison dart frog toxins best suited for deterring biting arthropods, research reveals In modern amphibian “ark,” new species added with due diligence The Submillimeter Array: Celebrating a decade of discovery Celebrating Central American Ceramics (Celebrando la cerĂ¡mica centroamericana) Tags: Smithsonian's National Zoo