Why did the newborn duckling in Tom and Jerry recognize Tom as his mother?

The newborn duckling thinks Tom is his mother, because he saw Tom for the first time, so he thinks Tom is his mother.

Tom and Jerry episode 48, the mother duck is hatching eggs. At this moment, an egg rolled out. The egg sticks out its limbs, but its head can't stick out. As a result, it ran to Tom's side. Tom sat on the eggshell and the duckling came out. He hugged Tom, sang his mother's songs and took Tom as his mother.

But for Tom, it was just a good thing, so he happily lit a fire and prepared to eat the duckling delivered to his door. But when the duckling was born, he knew nothing. The duckling thinks this is Tom's love for him. At this moment, everyone's good friend Jerry came. Seeing this, he quickly left the duckling. After Jerry untied the duckling, he quickly fled back to Tom and thought Jerry was a bad guy.

The duckling ran back by itself. Tom is happy to steam it, but the duckling still thinks it is Tom's love for it. Jerry saved the duckling again and again, but the duckling didn't appreciate Jerry. He thinks Jerry is a bad guy and even keeps hitting Jerry.

Later, Jerry brought a book and told him that his mother was not Tom, but he only believed in himself and still thought that Tom was his mother. ?

The duckling returned to Tom. This time, the duckling knew that Tom wanted to drink duck soup, so he pulled Tom away and decided to make his own soup. Then, the duckling sets up a spoon and walks to the hot pot. ?

But it's like those children who are abused by their parents, tortured. At the moment when the duckling was about to jump into the water, Tom's conscience found that the duckling was really poor. Tom couldn't help overflowing his love and shed tears. He held the duckling in his arms and hugged the little guy happily.