雌性的卵在沙漠表面下孵化。
“狼蛛，”她说，“会抚摸雌性的腿部，以确保她能接受。”
"A tarantula," she says, "will stroke the female's legs to ensure she is receptive."
这一现象促使德兰格得出结论，这棵野生的贝氏海桐花可能不是真的是雌性的。
This phenomenon led De Lange to conclude that the wild Pennantia baylisiana might not truly be female after all.
与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。
Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.
有一种说法是雄性必须通过竞争来获得雌性的青睐。
从雌性的角度来看，也存在可能的进化结果。
From the female perspective there are possible evolutionary consequences too.
Silo去寻找自己的新伙伴，这次是一个雌性的企鹅。
Silo went on to find a new partner, this time a female penguin.
“一只雌性的大乌贼。”崔西说。“有四十多英尺长呢。”
"A female Architeuthis," Trish said. "She's over forty feet."
“要想保障繁殖，雌性的比例应该高一点”，沃肖尔告诉我。
"You want to have a higher ratio of females to males for reproduction insurance," Warshall told me.
琵琶鱼是稀有的深海鱼类，雌性的体型通常比雄性要大出许多。
Anglers are rare, deep sea-dwelling fish, and females typically dwarf males.
或者说，雌性的拟态行为帮助它们在数量上更接近雄性了。
In other words, their mimicry improved as their Numbers increased relative to the amount of males.
这些行为在十四年间被观察到了一百多次，不仅限于雌性的小猩猩们。
All this behavior, which was witnessed over a hundred times during 14 years, was not just limited to girl chimps.
例如，美国的一种雄性鱼类，由于在水中接触了雌激素，会长出一些雌性的器官。
Some male fish in the U.S., for example, have been growing female parts due to exposure to estrogen in the water.
甚至有可能雄性的三只脚搭在雌性的身上，然后用尾巴裹住雌性的尾巴。
The male may even have rested three legs on the female and wrapped his tail under hers.
艾伯茨说：“显然，雌性的寿命更长些，而且雄性间竞争不甚激烈也有助于长寿。”
"Being female and being in a species where male-male competition is less intense are both good for longevity apparently, " Alberts said.
对人类而言，就像对大多数动物物种那样，雌性的身体状态对繁殖的成功非常重要。
In humans, as in most animal species, the state of the female body is very important for the success of reproduction.
6月21日在捷克布拉格汉诺威动物园里一只雌性的河马Maruska正凝视着她的婴儿宝宝。
Female hippo Maruska looks at her baby in their enclosure at the zoo in Prague, Czech Republic, on June 21.
雌性的银杏树会结果实，造成困扰；果实外壳厚实，含有丁酸，这种成分也会出现在酸腐的牛油中。
Female ginkgoes produce the troublesome seeds, which are covered in a fleshy coating that contains butyric acid, also found in rancid butter.
通常确定化石的性别是一个挑战，但龙蛋成了确定此化石标本为一成年雌性的强有力的证据。
Determining fossil gender is a challenge, but the presence of the egg is strong evidence this individual was a mature female.
穆兰说道“那，那，只有雌性的可以产卵”。她的目光在天花板上徘徊，她在吸收消化这些内容。
"Soooooo, only the females have the eggs." Mulan said, her eyes wandering to the ceiling, taking this all in.
像孔雀鱼一样，雄性蟋蟀也要争夺雌性的青睐，虽然他们使用的是音乐大师般地动听啁啾，而不是视觉盛宴。
Like guppies, male crickets compete for female favour-though by virtuoso chirping, rather than visual displays.
喙的颜色可以用来区分翠鸟的性别：雄性的喙大部分是黑色，而雌性的下颌是橙色的，正好同它的脚相配。
Beak color gives away a kingfisher's gender: males show mostly black, while females have an orange lower mandible that matches their feet.
雄性竞争雌性的物种中，只有在有足够的资源的情况下，雌性才能通过得到强大、有竞争力的雄性而使物种受益。
In species where males compete for females, females will only reproductively benefit from having a male if they have enough resources to have a large, competitive male.
像古比鱼一样，雄性蟋蟀之间会相互竞争以得到雌性的青睐---只是不是通过视觉上的表现，而是通过富有艺术性的鸣叫。
Like guppies, male crickets compete for female favour--- though by virtuoso chirping, rather than visual displays.
俄罗斯克拉斯诺亚尔斯克的RoevRuchey动物园内，一只雌性的西伯利亚赤鹿站在露天笼舍里看向摄影镜头。
A female Siberian maral looks at a camera in its open-air cage at the Roev Ruchey Zoo in Krasnoyarsk, Russia.
还有一个发明是纳森•梅尔沃德的最爱——激光灭蚊器，该灭蚊器能够区分蚊子的性别，因为雄性的蚊子不会携带疟疾传播，但雌性的蚊子会。
And then there's Myhrvold's favorite -- a laser mosquito zapper that can tell the difference between males, which aren't carriers of malaria, and females, which are.
还有一个发明是纳森•梅尔沃德的最爱——激光灭蚊器，该灭蚊器能够区分蚊子的性别，因为雄性的蚊子不会携带疟疾传播，但雌性的蚊子会。
And then there's Myhrvold's favorite -- a laser mosquito zapper that can tell the difference between males, which aren't carriers of malaria, and females, which are.
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