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。
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.
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。
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.
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。
Ants don't carry calendars around with them any more than fiddler crabs possess real wrist watches.
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。
Male fiddler crabs wave an outsized claw to show off, and male hummingbirds display their flying prowess with a flamboyant mating dive.
招潮蟹的构造不对称：一只螯特别大。
The fiddler crab has an asymmetric build: one pincer is much larger than the other.
泥沙滩区分为：盐碱植物-滨螺带和招潮蟹-大眼蟹带；
There are two zones in the belt of sand-mud beaches: The halophyte-Littorina zone and Uca-Macropthalmus zone.
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。
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.
它有着过分增长的螯，生物学家早就知道招潮蟹的壳在白天是黑暗的，傍晚时变成灰白，然后在破晓的时候又变黑。
Biologists have long known that the crab's shell is darkest during the day, grows pale in late afternoon, then begins to darken again at daybreak.
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。
Well-known crabs include the hermit crab, edible crab (Britain and Europe), blue crab, Dungeness crab, fiddler crab, and king crab.
但是，当一个勇于探索的的科学家把招潮蟹放在黑暗中，他惊讶的发现蟹壳的颜色依然准确的按时间转变。
But when an enterprising scientist placed a fiddler crab in darkness, he was amazed to find that the color of the crab's shell kept ticking off the time with the same accuracy.
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。
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.
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。
The mangroves, together with other plants, as well as fiddler crabs, egrets and planktons, form an integral ecosystem.
它有着过分增长的螯，生物学家早就知道招潮蟹的壳在白天是黑暗的，傍晚时变成灰白，然后在破晓的时候又变黑。
Biologists have long known that the crab 's shell is darkest during the day, grows pale in late afternoon, then begins to darken again at daybreak.
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.
但是，当一个勇于探索的科学家把招潮蟹放在黑暗中，他惊讶的发现蟹壳的颜色依然准确的按时间转变。
But when an enterprising scientist placed a fiddler crab in darkness, he was amazed to find that the color of the crab's shell kept ticking off the time with the same accuracy.
但是，当一个勇于探索的科学家把招潮蟹放在黑暗中，他惊讶的发现蟹壳的颜色依然准确的按时间转变。
But when an enterprising scientist placed a fiddler crab in darkness, he was amazed to find that the color of the crab's shell kept ticking off the time with the same accuracy.
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