In today’s bonus episode, we bring you two stories on the theme of migration. Part 1: Ornithologist Dai Shizuka finds himself relating to an unusual bird that sings in more than one dialect. Part 2: When Nestor Gomez takes his child to be vaccinated, it brings up fearful memories from his own childhood. As always, find transcripts, photos, and more information about our storytellers at storycollider.org Learn more about your ad choices. Visit podcastchoices.com/adchoices