Depending on the people telling the story, the Thunderbird is either a singular entity, or a species. In both cases, it is intelligent, powerful, and wrathful. All agree that you should go out of your way to keep from getting them angry. --from Wikipedia 雷鸟乃神鸟也。其聪明绝顶，力大无穷，怒不可遏。尔等皆宜避之，万莫惹其怒也。