We can put ourselves in others' shoes. If you have worked so hard to give birth to a child, but the father of the child gives it away, or treats the child badly, then the mother will definitely be angry and will try her best to get the child back. Even if there was no way to recover it at that time, the child's mother would go to court after she was in good health, divorce such a man and not live with him all the time. Although animals are not as emotional as humans, they are kept in captivity by humans, such as cats or dogs. But these pets have the same love for their children, and will not be reduced because of the change of status and species, or be indifferent to their children.
Every species has some special emotional bodies. They may be born without love and sympathy, and they will ignore their own flesh and blood. There are mothers like this among humans. They are selfish, think for themselves and think that they have done their duty to have children. There are also such parents in small animals. They will give birth to cubs at random in some dangerous places and swallow them when stimulated. It's better for humans not to guess what animals think with their own ideas, because you will be completely confused and don't know why animals do this.
There is love or friendship between people and animals. People are actually one of the animals, but they have undergone some special evolution.