This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers , and why male fiddler crabs have such large claws.
这就是为什么一些雄鸟长着充满异国情调的羽毛，为什么麋鹿拥有巨大的鹿角，为什么雄性招潮蟹有这么大的爪子的原因之一。
Ants don't carry calendars around with them any more than fiddler crabs possess real wrist watches.
蚂蚁不可能随身携带日历就像招潮蟹不可能带着真正的手表一样。
The mangroves, together with other plants, as well as fiddler crabs, egrets and planktons, form an integral ecosystem.
这红树林跟其他植物，还有招潮蟹，小白鹭等小生物构成了一个完整的生态系统。
Male fiddler crabs wave an outsized claw to show off, and male hummingbirds display their flying prowess with a flamboyant mating dive.
雄性的招潮蟹会挥舞着它那只大钳子来炫耀自己，蜂鸟则是通过和配偶一起俯冲飞翔来展现他的雄姿。
Clapper rails in particular are highly dependent on the marshes-including fiddler crabs, a dietary staple-and they'll have nowhere to go if the oil arrives.
长嘴秧鸡尤其高度依赖于沼泽地环境——包括沼泽地的招潮蟹，这是它们的一种主要食物——如果石油到达这里，它们将无处可逃。
Ants don't carry calendars around with them any more than fiddler crabs possess real wrist watches. But ants show amazing accuracy as to the day of the year.
蚂蚁不可能随身携带日历就像招潮蟹不可能带着真正的手表一样。但是蚂蚁对一年中的特定一天有着惊人的精确判断。
This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers (a sign of a healthy immune system), and why male fiddler crabs have such large claws.
这正是大自然为什么让一些雄鸟长着充满异国情调的羽毛或让麋鹿拥有大而笨重的鹿角(这也是一个生态系统健康的标志)的原因之一。
Male fiddler crabs wave an outsized claw to show off, and male hummingbirds display their flying prowess with a flamboyant mating dive. These moves probably show off their strength and motor skills.
雄性的招潮蟹会挥舞着它那只大钳子来炫耀自己，蜂鸟则是通过和配偶一起俯冲飞翔来展现他的雄姿。
Well-known crabs include the hermit crab, edible crab (Britain and Europe), blue crab, Dungeness crab, fiddler crab, and king crab.
较熟知的有寄居蟹、黄道蟹(英国和欧洲)、蓝蟹、首黄道蟹、招潮和堪察加拟石蟹。
The crabs the children catch can be named in an instant by Zheng Qinghai. The majority are common to the region, but the endemic species of Taiwanese fiddler crab is facing extinction.
小朋友手中的螃蟹，郑清海一看就能够念出正确的螃蟹学名，本土螃蟹种类众多，台湾特有种台湾招潮蟹，却濒临绝种。
The crabs the children catch can be named in an instant by Zheng Qinghai. The majority are common to the region, but the endemic species of Taiwanese fiddler crab is facing extinction.
小朋友手中的螃蟹，郑清海一看就能够念出正确的螃蟹学名，本土螃蟹种类众多，台湾特有种台湾招潮蟹，却濒临绝种。
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