8:13

the struggle of a baby bird to enter the nest

12:43

Mom bird won’t feed cuckoo—cuckoo almost steals chicks’ food.鸟妈妈不愿意喂杜鹃鸟，杜鹃鸟差点把小鸟的食物抢走

10:06

The cuckoo pushed the bird hard and was seen by the bird's parents杜鹃鸟使劲推小鸟，被觅食回来的鸟爸鸟妈看见

2:25

Robin bird is pecking the Cuckoo baby

9:16

Cuckoo, starving: no food upfront, too weak to push chicks.杜鹃鸟饿坏了，在前面得不到食物，推小鸟没力气