New Zealand’s blue mushroom gets its Māori name, werewere-kōkako, from the color of the blue waddle on the endangered North Island kōkako, a native wattlebird. In one tradition, the kōkako brushed its cheek against the mushroom, giving its wattle the iconic blue color. The kind of blue your mouth turns after you’ve wolfed down a 7-Eleven slurpee, the werewere-kōkako really does need to be seen to