Courtship behavior has many functions.
求偶行为还具有多种功能。
This means less time for elaborate courtship behavior.
这就意味着他们很少有时间求爱。
The male courtship behavior of fruit fly was as model to study the behavioural genetics.
果蝇的雄性求偶行为已经被作为行为遗传学研究的模式。
Courtship behavior is an instinct in animals and plays a very important role in reproduction.
求偶行为是动物的一种本能，是动物繁殖的一个重要环节。
They're monogamous, and both parents need to spend most of their time foraging. This means less time for elaborate courtship behavior.
同时它们是一夫一妻制的，父母双方都需要花费大量的时间用来寻找食物，这就使得它们没时间去进行花哨的求爱行为。
This frees the males for their extravagant courtship behavior, and the complex diet provides them with chemicals to make their brightly colored feathers.
没有负担的雄性鸟儿就有时间另寻新欢。而这多样化食物提供的化学物质使它们的羽毛更多彩缤纷。
As birders observe new species, they not only learn about different birds, but they also learn about migration, bird behavior, feed preferences, courtship and bird territories.
观鸟者观察各种新的物种，从中他们不止能认识不同的鸟种，还能学到关于迁徙、鸟类行为学、食性、求爱还有鸟类领地的知识。
Serotonin's surprise role in mouse courtship may lead to a deeper understanding of how brain cells control a complex behavior.
试验鼠血清素的惊人作用——求偶行为变化，可能加深人类对脑细胞如何控制复杂行为的了解。
Serotonin's surprise role in mouse courtship may lead to a deeper understanding of how brain cells control a complex behavior.
试验鼠血清素的惊人作用——求偶行为变化，可能加深人类对脑细胞如何控制复杂行为的了解。
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