The researchers, Manuel Leal and Brian Powell, exposed tropical lizards in Puerto Rico known as Anolis evermanni to a blue disc. Beneath the disc was some tasty prey — a freshly killed worm larva.
曼纽尔·莱尔亚和布莱恩·鲍威尔将一个圆盘放在波罗黎各安乐蜥属的蜥蜴面前，圆盘底下藏着美味的食物——一只刚刚杀死的蠕虫幼虫。
The lizards initially looked under only the blue disc, where they expected the worm to be.
两只蜥蜴起初只找了蓝色盘子下面，它们认为蠕虫会在那下面。
The lizards initially looked under only the blue disc, where they expected the worm to be.
两只蜥蜴起初只找了蓝色盘子下面，它们认为蠕虫会在那下面。
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