在繁殖期鸟儿们上岸。
繁殖期的黑翅鸢食物主要为鼠类。
动物园的科学家们正在为梅香的下一个繁殖期做准备。
Zoo scientists are planning for Mei Xiang's upcoming breeding season.
科学家们还试图利用雌蟒在繁殖期发出的气味引诱雄蟒掉入陷阱。
Scientists are also trying to lure male pythons into traps using the scent that females emit at breeding time.
在鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
Towards the end of the plover breeding season, the rate of female divorce declines.
在千鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
Towards the end of the plover breeding season, the rate of female divorce declines.
科学家在繁殖期观测这些鸭，并着重注意雌鸭何时准备生蛋。
Scientists monitored the birds during the breeding season and noted when the female birds were preparing to lay eggs.
在一些物种中，祖父母也在自己的繁殖期结束后帮助自己的后代养育子女。
In some species, grandparents also assist their offspring when their own breeding time is over.
结果表明，在繁殖期的不同阶段东北虎的行为发生较大的变化。
During different phases, there were clear variations in behaviors of Amur tiger.
笼养丹顶鹤繁殖期行为与非繁殖期行为均呈现一定的日活动节律。
The time-active budget of captive Red-crowned Crane behavior shows circadian rhythm generally.
繁殖期雌性(绿鬣)的行为变化-许多雌性在怀卵期间食欲会减退。
Females During Breeding Season: Behavioral Changes - Many females will exhibit a much decreased appetite as their abdomens fill with eggs.
建议制定江豚保护对策时，应优先考虑江豚繁殖期幼豚母子联系的维持。
Based upon the conclusions, it is recommended that prior strategy could be to prevent the mother-calf link from broken in the early stage of the breeding season.
通过在内蒙古图牧吉自然保护区的实地观察，研究了大鸨在繁殖期的领域行为。
Through herding observation on the spot of the lucky nature reserve in the Inner Mongol picture, have studied the big bustards domain behavior in breeding period.
二月底，加利福尼亚中央山谷的果园布满了粉白的花朵，数百万株杏树争相进入每年的繁殖期。
AT the end of February, the orchards of California's Central Valley are dusted with pink and white blossom, as millions of almond trees make their annual bid for reproduction.
东方白鹳在繁殖期不同阶段行为活动存在一定节律，并且不同阶段日节律明显不同。
The behavioral activity of Oriental white stork at different stages of breeding season had definite rhythm, and the diurnal rhythm differed obviously.
一个洞内只有一只螃蟹，除繁殖期以外它们都是孤独的，并且不能容忍洞中的入侵者。
Only one crab lives in a burrow and outside of the breeding season Red Crabs are solitary, and do not tolerate intruders into their burrows.
繁殖期雌性(绿鬣)的身体变化：如同雄性，雌性鬣蜥在繁殖季同样经历了身体变化。
Females during breeding season: physical changes - Like males, female iguanas undergo physical changes during breeding season.
繁殖期肥满度、肝脏系数、脂肪系数、性腺成熟系数、性腺体积均具一定的生物学意义。
The fattiness during reproductive period, coefficient of liver, coefficient of far, coefficient of mature gonad, and volume of the latter have certain biological significance.
阿拉斯加地区的海象——尤其是正处于繁殖期的雌海象，在夏秋季节通常活跃在北极的大片浮冰上。
Alaska's walrus, especially breeding females, in summer and fall are usually found on the Arctic ice pack.
结果表明，在秦岭南坡大熊猫繁殖期的生境选择中，最重要的影响因子是食物因子，其次是植被因子。
Results indicated that food factor and vegetation factor are the most important ones affecting habitat selection of giant panda in its reproduction period.
本文介绍了黑腹滨鹬的亚种分类性状、分类修订以及亚种分类系统，并就非繁殖期的相关研究作了概述。
In this paper, taxonomic characters and taxonomic system of dunlin subspecies were introduced. Moreover, Infraspecific taxonomy of dunlin in non-breeding period was epitomized.
通过详细的测量和分析，表明繁殖期成体的机能形态学指标表现出与生殖状态相关的明显而复杂的变化。
In the breeding phase the morphological index in different age – group were shown markedly change related to the breeding condition.
从第二年的冬天繁殖期到来，许多夏天的一代将要出生和死去，并且这也会每年持续产生许多旅行的子孙。
By the time next year's winter migration begins several summer generations will have lived and died and it will be last year's migrators' great grandchildren that make the trip.
每年四月底至七月初是繁殖期，这时秦岭血雉筑巢于高山草丛或石洞中，每窝产卵6-8枚，孵化期29天。
Mating season runs from late April to earlv July. The pheasants build their nests in alpine meadows or in caves, and after laying six to eight eggs, the female bird begins to brood for 29 days.
切除雌性的卵巢能顾避免了每年的妊娠，但在繁殖期，一些被切除卵巢的雌性仍然会表现出“假妊娠”的行为。
Spaying a female will eliminate the yearly gravid period, although some spayed females exhibit behavioral signs of "false pregnancies" during breeding season.
潜在的可利用的食物资源、天敌的数量、水和繁殖期领地行为对大石鸡不同生活史阶段的栖息地选择有显著的影响。
The potential food resource, number of predators, water and territorial behaviour can determine the habitat selection of the partridge during different life cycle.
每年春天，约有5000对处在繁殖期的这种濒危鸟类离开墨西哥西部，前往德克萨斯州明德堡军事基地，在灰橡树中筑巢。
In spring some5, 000 breeding pairs of the endangered bird leave western Mexico to build their nests in shin oak trees on the Fort Hood military base in Texas.
每年春天，约有5000对处在繁殖期的这种濒危鸟类离开墨西哥西部，前往德克萨斯州明德堡军事基地，在灰橡树中筑巢。
In spring some5,000 breeding pairs of the endangered bird leave western Mexico to build their nests in shin oak trees on the Fort Hood military base in Texas.
尖鸟为海洋性的鸟类，许多海鸟的一生大部分的时间都是遨游于碧波大海之上，唯有繁殖期才会飞回陆地，完成生命的循环。
The gannets are oceanic birds. Many sea birds spend most of their lives traveling on the oceans, only in the breeding seasons will they ground to complete their life cycles.
尖鸟为海洋性的鸟类，许多海鸟的一生大部分的时间都是遨游于碧波大海之上，唯有繁殖期才会飞回陆地，完成生命的循环。
The gannets are oceanic birds. Many sea birds spend most of their lives traveling on the oceans, only in the breeding seasons will they ground to complete their life cycles.
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