他们想让这些雄性动物和野生的雌性动物交配。
对几种动物的研究表明，在选择配偶时，雌性更喜欢鲜艳的类胡萝卜素着色的雄性。
Studies of several animal species have shown that when choosing mates, females prefer males with brighter carotenoid-based coloration.
他很震惊，那么多的研究者在研究中没有包括雌性动物。
He is astonished that so many researchers have failed to include female animals in their studies.
他们开始探索雌性动物竞争时是否产生了这些惊人的武器、角与繁殖力两者之间是否需要相关？
They set out to discover whether female competition accounted for these impressive armaments, and whether there was a trade-off between horns and fecundity.
由于年轻的雄性黑猩猩并不倾向于玩洋娃娃，所以研究者称他们的研究第一次证实了野生动物物种在玩耍方面，雌性和雄性是不同的。
Since young male chimps were less inclined to play dollies, the authors say their study presents the first evidence of an animal species in the wild in which play differs between males and females.
但当年轻的雄性与很多亲密的同胞花费大多数时间捍卫领地、寻找伴侣时，雌性动物们却在独自安排她们的时间。
But whereas young males spend the bulk of their time with a couple close compatriots, defending territory and chasing mates, females spend a lot of time on their own.
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.
之后，他要抚养卵化的小鸟，积极地保护它们，并攻击任何过于接近的动物——甚至包括雌性美洲鸵。
He then rears the hatchlings, defending them aggressively and charging any animal-even a female rhea-that approaches too closely.
这项研究第一次证明了野生动物对待某一件物品时，雌性和雄性的反应是不同的。
The study presents the first evidence of an animal species in the wild in which object play differs between males and females.
有对啮齿类动物的研究证明，雌性身体里的细胞可以比雄性进行更好的自我修复，而手术切除卵巢可消除这种差异。
There is evidence from studies in rodents that cells in a female body do repair damage better than in the body of a male and that surgical removal of the ovaries eliminates this difference.
从人类和其他动物身上掌握的大量证据也证实，享有强大社会关系的雌性相比之下更健康，成功繁育后代的几率也更高。
The data add to a growing body of evidence from humans and other animals that females with a strong, supportive social network are healthier and have greater reproductive success.
在无脊椎动物这一群体中，社会经验对雌性狼蛛择偶的影响可说是闻所未闻的。
The influence social experience has on the female Wolf spider's mating choice is almost unheard of among invertebrates.
我们观察的结论是，高雌激素水平抑制了雌性啮齿动物的认知能力。
Our findings... show conclusively that high estrogen levels inhibit the cognitive ability in female rodents.
比如，雌性灵长类动物临近排卵期时，身体的某些部位会泛红，这可能就是一种求爱信号。
For instance, among primates, females display more red on parts of their body when they are nearing ovulation, probably to attract the male of the species.
一些雄性的动物之所以会和同性通电是因为前者想切断后者和雌性接触的机会。
Some male animals might mount other males as a way of denying them access to the ladies.
斯卡贝克指出，动物实验已经表明，双酚a是一种弱雌性激素，会加快老鼠的青春期发育。
Skakkabaek points out that animal experiments have shown that Bisphenol a is a weak oestrogen that can accelerate pubertal development in mice.
在这种情况中，人类遵循哺乳动物中普遍存在的一种模式：雄性敌视雌性与其前配偶所生的子女。
In this, humans follow a pattern that is widespread in mammals: male hostility to a female's offspring from previous matings.
科学家们已经知道，在很多动物中，当母亲拥有丰富的资源或相对较多的资源时会繁殖更多的雌性子代。
Scientists already know that in many animals, more sons are produced when a mother has plentiful resources or is high ranking.
另一个则被生动物学家们主观的称其为“滑头”，一只小型的乌贼，他往往能够变化它的颜色使它自己看上去像一只雌性乌贼。
The other is what's known rather judgmentally among zoologists as a "sneak," a small cuttlefish who changes his color and appearance to look like a female.
但雌性动物却有自己的一套方法。
一些物种只有雌性存在，可为什么它们的基因库不会缩小呢？这是动物界的一个很大的谜题。
How all-female species avoid the shrinkage of their gene pool is among the animal kingdom's great mysteries.
尽管如此，相对有很少的有关抗抑郁的研究是以女人或雌性动物为例(我会为另一种更长久更加激烈的公布方式挽救)。
But for all that, relatively few studies on antidepressants are done in women or in female animal models (and I'll save that for another, longer, more ranty type of post).
与仿生诱蚊气体混合，模仿人体排汗和动物汗液自然释放的气味(人类闻不到)，令雌性蚊子及其他吸血昆虫无法抗拒。
Gas mixed with the bionic mosquito, to imitate the natural human sweat and sweat, odor from animal (human smell), so female mosquitoes and other blood-sucking insects can not resist.
在周四，泰山将和来自亚特兰大动物园的表亲、3岁的雌性熊猫梅兰，一起前往中国参加一个饲养计划。
On Thursday, Tai Shan goes to China to take part in a breeding program, along with his three-year-old female cousin Mei LAN, from Zoo Atlanta.
随后，Fisher告诉我，那应和了经典的雌性动物喜欢的脊柱前凸姿势。
Later, Fisher tells me this is an echo of the classic "lordosis" pose favored by female animals.
石溪大学的行为生态学家HeidiPearson说：“如果我们想了解是什么在维持雄性动物们无法顾及到的社会领域，我们就应该观察一下雌性动物们。”
"If we want to understand what is driving social systems where males do not provide care," says Heidi Pearson, a behavioral ecologist at Stony Brook University, "we should be looking at females."
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.
拉汉姆和Kahlenberg同意这个“生物偏爱”，它涉及到了对玩偶的选择和玩耍的形式在人类之间和非人类的灵长类动物的雄性与雌性之间的不同。
Wrangham and Kahlenberg agree that "biological predilection" appears to be involved in both toy selection and forms of play among human and non-human primate males and females.
拉汉姆和Kahlenberg同意这个“生物偏爱”，它涉及到了对玩偶的选择和玩耍的形式在人类之间和非人类的灵长类动物的雄性与雌性之间的不同。
Wrangham and Kahlenberg agree that "biological predilection" appears to be involved in both toy selection and forms of play among human and non-human primate males and females.
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