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生物通
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“城市果蝇”和“沙漠果蝇”的视觉导航策略因环境而异
果蝇利用视觉去寻找有趣的东西,但也能在飞行中保持稳定。生物学家发现,莫哈韦沙漠果蝇会盯着一个物体而忽略背景来保持平衡和稳定,而普通的城市果蝇会盯着背景,但会快速扫视物体。并非所有种类的果蝇都以同样的方式导航环境,这一发现扩大了科学家们可以学习的可能性。
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