大山雀

There are two stages before clutch day great tit.

大山雀开始产卵日期明显分为两个阶段。

While helping his friend´s mom, Charles spills on Sophia´s tits.

同时帮助他朋友的妈妈， 查尔斯滴了索菲亚的大山雀。

Dr Amrhein expected that males who were being given extra food would perform better during the dawn chorus than those that were not.

这项实验的目的是观察喂养对雄性大山雀在黎明时的合唱表现的影响。

The results show that the familiar clutch size of the Great Tits is 10-12 Entries in artificial nest-boxes, the average clutch size 10.

研究表明：人工巢箱内繁殖的大山雀的常见窝卵数为10—12枚，平均窝卵数为10。

Our data suggested that there are observable functional response of great tits to changes in moth densities but the numerical response caused by breeding are not obvious.

初步分析表明大山雀对松毛虫种群密度变化有明显的功能反应，但由繁殖而引起的数量反应不明显。