A lot of anecdotal evidence exists about dogs barking or birds migrating before volcanic eruptions or earthquakes . but there have been no specific studies because you can t really test it in a lab or field setting , " says matthew van lierop of south africa s johannesburg zoo 南非约翰尼斯堡动物园的动物行为专家马修里若普matthew van lierop表示：在火山爆发或地震发生以前，出现狗儿嗥叫鸟类迁徙的现象时有所闻，但是我们无法在实验室或实际环境中加以验证，所以目前还没有这方面的专门研究。
The waves washed floodwaters up to 3 km ( 2 miles ) inland at yala national park in the ravaged southeast , sri lanka ' s biggest wildlife reserve and home to hundreds of wild elephants and several leopards . " there has been a lot of anecdotal evidence about dogs barking or birds migrating before volcanic eruptions or earthquakes 海洪冲向离岸三公里（相当于二英里）远的亚拉国家公园，这里是斯里兰卡最大的野生动物保护区，生活着几百头野生大象和一些美洲豹，海啸引发的洪水使亚拉国家公园所在的东南部地区变得一片狼藉。
Although the survey conducted by the census and statistics department did not collect statistics on it usage by people with disabilities , housewives and new arrivals , it is generally believed according to anecdotal evidence that these groups have fewer opportunities to access it 政府统计处进行的统计调查，并没有?集有关残障人士家庭主妇和新来港人士在使用资讯科技方面的统计资料。虽然没有可靠的统计数字支持，但过往的经验使我们相信，这些社群能够接触资讯科技的机会是较少的。
