亲鸟

另一种可能性是亲鸟会偏爱强壮的雏鸟。

Another possibility is that parents favour chicks that are strong .

亲鸟开始为幼鸟寻找食物。

Parent birds began to hunt for food for their young .

雏鸟为早成鸟，出壳后12h内即随亲鸟离巢。

The young are precocial , and after being hatched they leave the nest with their parents within 12 hours .

红隼繁殖期没有明显的筑巢行为，进入繁殖期较早的亲鸟大多数是利用前一年红隼利用过的旧人工巢箱繁殖，亲鸟对巢箱内的残留物不进行清理。

There is no obvious nest-building behavior in the breeding period .

领域行为不明显，卵和雏鸟被触动时，亲鸟不弃巢。

Territorial behavior is not obvious .

雏鸟出壳后，跟随亲鸟生活，直到冬天。

The young birds live with their parents until winter , then the family makes its seasonal migration .

将15日龄雏鸟移出巢外，观察了亲鸟的喂雏方式和系列动作。

The feeding way and a series of action were studied by moving the 15-day nestlings from their nests .

雌雄共同参与喂雏，雏鸟至亚体阶段才完全独立，之前需亲鸟饲喂；

The female and the male nursed the nestlings together , and some of the young birds were fed by their parents until at sub-adult stage .

比较麻雀卵和雏鸟所含的有机氯残留量得出，雏鸟通过亲鸟喂食昆虫类食物而增加了体内有机氯的含量。

Comparing the organochlorine pesticides between eggs and nestlings , we find the insects which are feeding though parents increase the residues of organochlorine pesticides in nestlings .

选用人工饲养的6对成年健康朱为试验亲鸟，于2000～2002年在陕西洋县和周至进行了人工饲养条件下朱自然繁殖情况的研究。

This research chose six couples of healthy adult Crested ibis for examining their natural reproduction on the condition of artificial feeding during 2002-2003 years in Yang County and Zhouzhi County .

通过对亲鸟孵卵及育雏情况的观察，此地区棕尾鵟的棕尾鵟繁殖力为0.72。对影响棕尾鵟存活率因素分析，发现食物是幼鸟存活率的关键因素。

Hatching rate is 0.433 . The rate of juvenile survival is 0.72 . We analyzed the factors of livability in this area and found the food is the key factor to livability .

2005年的种群数量已经回升到石油泄漏前的水平，几乎所有配对的暴风海燕都能成功繁殖，亲鸟的身体条件也恢复到了石油泄漏前的水平。

In 2005 , the number of ringed storm-petrels reached the level before the oil spill , almost all of the detected pairings were successful and the body condition of those birds was similar to the years before the sinking .

通过对啄木鸟生物学特性的进一步观察，对啄木鸟巢区的概念、二次产卵的功能和育雏期间亲鸟的觅食规律以及啄木鸟的食性特点有了更全面的认识。

More overall understanding about the concept of nest district of woodpeckers , the function of secondary oviposition , the regularity of foraging and feeding of parent birds during the time of breeding and the feeding habits of woodpeckers were obtained from further observation on the bionomics of woodpeckers .