这些小东西无毒无害(They are non-venomous and harmless to humans.),吃小虫、蚊子啥的,只是它们从来不吱一声、行动时没有任何动静,搞不清啥时候会突然冒出来吓你一跳;当然,它们胆子更小,经常把自己的尾巴吓掉 ( Mostgecko species can lose their tails in defense.)。
相比之下,阳台墙上的小壁虎(wall geko)就吵闹多了。这种壁虎也是小蜥蜴一种,身体近乎白色透明,昼伏夜出,大眼睛利于夜间活动,据说是人类夜视能力的350倍(They are nocturnal species that have excellent night vision; their eyes are 350 times more sensitive tolight than the human eye.),与同伴交流时叫声非常响亮(They use chirping sounds in social interactions with other geckos.):