Happy Holidays from Smithsonian’s National Zoo In Animals, Science & Nature, Video / 15 December 2017 Related posts: Panda cub born at National Zoo to Mei Xiang National Zoo’s giant panda Mei Xiang is not pregnant Hormone tests show Mei Xiang, the National Zoo’s female giant panda, may be pregnant New panda cub dies at National Zoo Tags: giant panda, Smithsonian's National Zoo