The bird found food and came back
The big bird barked urgently, hurry up, and starved to death
The little bird flew to the big bird to prepare to feed
The big bird opened its mouth and screamed urgently, can you hurry
Bird, don't be in a hurry, isn't this coming?
The little bird puts food into the mouth of the big bird
The big birds still have to eat
The birds went out again in search of food. The process of small birds feeding large birds