… event, with two coming from Canada and 108 from other states … s ecosystem, because they affect native snakes, can spread diseases among … that could be dangerous for native animals and for human … off pythons and potentially killing native snakes they mistake as …… event, with two coming from Canada and 108 from other states … s ecosystem, because they affect native snakes, can spread diseases among … that could be dangerous for native animals and for human … off pythons and potentially killing native snakes they mistake as …