Nature and EnvironmentBirds do it, bees do it To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentCharlotta Lomas02/16/2017February 16, 2017Even educated fleas do it - we learn the art of flirting in the animal kingdom. Plus, do cats fly? Apparently they do. https://p.dw.com/p/2XgXQAdvertisement