Why are app icons so birdy?

Birds are not only found in the wild; they are also taking flight in app design! Just take a look at your smartphone interface, and you will see them everywhere. From owls to penguins to magpies, bird-themed icons are transforming our device screens into a digital aviary! / RoundTable's Happy Place (19:41). On the show: Heyang, Steve Hatherly & Guo Yan.