鸟类是卵生动物。鸟蛋需要经过孵化过程才能让小雏鸟出生。孵出小鸟后，雌鸟

鸟类是卵生动物。鸟蛋需要经过孵化过程才能让小雏鸟出生。孵出小鸟后，雌鸟和雄鸟还会继续喂养雏鸟一段时间。

Results (English) 1:

Birds come from eggs. You need to go through the process of hatching eggs to make small chicks born. After hatching birds, female and male chicks will continue to feed for some time.

Results (English) 2:

Birds are egg animals. Birds and eggs need to go through an incubation process to allow the baby chicks to be born. After hatching the birds, the females and males will continue to feed the chicks for a period of time.

Results (English) 3:

Birds are egg animals. The eggs need to be hatched in order for the chicks to be born. After hatching, the female and male will continue to feed the chicks for some time.