鸟是从蛋里孵出来的。鸟爸鸟妈会单独或轮流趴在鸟蛋上,用自己的肚子温暖蛋宝宝。大约几周或几个月后,鸟宝宝用卵齿敲破蛋壳——鸟宝宝们就出世了。从“雪球”变“破烂”的小茶色夜鹰小茶色夜鹰刚从蛋里孵出来时,并不是茶色的,而是像一个个毛茸茸的白色小棉球——这个醒目的颜色,虽然方便了爸爸妈妈的照顾,却也容易被其他肉食动物发现。所以鸟爸鸟妈们会小心 The bird is hatched from the egg. Papa bird mother will lie on the eggs alone or in turn, with their own stomach warm egg baby. In a matter of weeks or months, the baby bird knocks the eggshell - the baby birds are born. From the “snowball ” change “junk ” little brown Nighthawk The little nighthawk hatched from the egg, not brown, but like a little fluffy white cotton balls - this eye-catching The color, although convenient to take care of father and mother, but also easily found by other carnivores. So birds Papa Mom will be careful