与此同时，弱侧化的幼雏很难同时进行这两种活动。
The weakly-lateralised chicks, meanwhile, had difficulty performing these two activities simultaneously.
这些便是我的母鸡和幼雏。
其结果是很多雌鸟无法繁殖，新生幼雏较少。
As a result many of the females can't breed, and fewer chicks are produced.
然而奇怪的是有30 %至40 %的双亲遗弃它们的幼雏。
Curiously, though, in between 30% and 40% of cases both parents desert the clutch.
母鸡和其他鸟类会一直孵自己生的蛋，直到幼雏被孵化出来。
晚成性幼雏留巢时间的长短也不相同：雀形目鸟类与孵卵日期大致…
To stay late into the nest of chicks is not the same length: passerine birds and hatchery date generally …
而后，研究人员又对饲养于舒适环境中、四组鸡的幼雏进行了相同的测试。
Then the offspring of the four groups, which were all raised in comfortable surroundings, were put through the same test.
邮递人员听见了小鸭子的叫声，并被允许打开箱子喂这些幼雏食物和水。
Postal workers heard the ducklings and got permission to open the box to get the babies some food and water.
黑头噪鸦具有储食行为，其储藏的食物对雌鸟的孵卵以及幼雏的存活可能有重要意义。
The jay shows food hoarding behavior and stored food maybe very important to nesting females as well as the survival of young.
由于孵化后立即摄入营养，显著促进了幼雏在头几天内的发育，从而也使其重量显著增加。
Thanks to immediate post hatch nutrition, the development during the chicks first days is significantly improved, resulting in a significant improvement in their weight as well.
我们在帐篷里建起了实验室，里面有所有的设备，幼雏们在一个孵化器中被完好地孵化出来。
We set up a lab in a tent with all the equipment and the chicks fully hatched out in an incubator.
这个项目用地球上仅存的27只秃鹫进行初步实施，而到目前为止已经孕育了超过200只的幼雏。
The project started with the last 27 condors left on the planet and has produced well over 200 chicks to date.
此外，由于合适的照明并使用具有透明壁的喂食槽，使幼雏能在孵化后立即喂食并使可喂食性得以改善。
Furthermore, the accessibility of feed for the chicks is enabled and improved immediately after their hatching thanks to suitable lighting and the use of feeding troughs with transparent walls.
在新西兰南部小岛上的皇家信天翁繁殖中心里，两只雌性信天翁通力合作，演绎了共同哺育幼雏的奇趣怪闻。
Two female royal albatrosses at a New Zealand breeding colony have successfully incubated a chick.
一种方法和一种孵化器内隔室，该方法和该隔室能够使幼雏在孵化过程中喂食而不会降低孵化率或成活率。
A method and a compartment within an incubator, capable of allowing chicks to feed during the hatching process without reducing hatchability or livability.
也许羽毛可以帮助它们迅速爬到树干上，”卡里诺说，类似火鸡这样在地面活动的鸟类，它的幼雏就是这样利用翅膀的。
Maybe feathers helped them scramble up tree trunks, " Carrano says. Baby birds of primarily ground-dwelling species like turkeys use their wings in this way."
位于中心位置的巢里，超不过两天时间，另一小鹤可能就会破壳而出——仅管通常在这个季节最多只有一个幼雏会幸存下来。
Nestled at center, another egg should hatch in two days-though usually only one chick will survive the season.
这种聪明的大脑袋飞禽能将棕榈叶啄成精致的用来挑虫子的工具，它们的幼雏期比智商不那么高的禽类，比如鸡的幼雏期要长得多。
These brilliant big-brained birds make sophisticated insect-digging tools from palm leaves — and are fledglings for much longer than not-so-bright birds like chickens.
这种聪明的大脑袋飞禽能将棕榈叶啄成精致的用来挑虫子的工具，它们的幼雏期比智商不那么高的禽类，比如鸡的幼雏期要长得多。
These brilliant big-brained birds make sophisticated insect-digging tools from palm leaves — and are fledglings for much longer than not-so-bright birds like chickens.
应用推荐