Those are not flowers or snowflakes, nor are they small Easter parade hats or very tiny Komondors. These are a species of Planthopper Nymphs featured in the Smithsonian Channel’s Wild Burma: Chasing Tigers, and they can spring quite quickly out of harm’s way.
It’s probably best to not irritate small creatures (or large ones), but thankfully these are quite a sight even when they’re not hopping or being irritated. Below, one is spotted at the Khao Yai National Park & Sakaerat Biosphere Reserve in Thailand:
In the archives: the Peacock Spiders of Australia, The Leaproach, and the Golden Age of Insect Aviation: The Great Grasshoppers. Bonus: Sir David Attenborough bewitches a cicada.