99天:【小牛顿-昆虫爬虫】原野上的小飞机-蜻蜓(下)
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Manage episode 169452573 series 1282034
一般雌蜻蜓的体色比雄蜻蜓淡些。有些种类的蜻蜓,雌雄体色完全不同。
蜻蜓的飞翔方式非常自由,它能在飞行途中突然改变方向,也能将前翅与后翅相互拍动,或是像滑翔机一样乘风飞翔。
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