There are many possibilities for pudding to turn black.

There is winter white gene in 1. gene.

The father or mother of this pudding is Dongbai.

Any third line will change color as long as it mates with Dongbai. When it changes, it changes back.

2. The age change of pudding

The little pudding is still small, and Mao Mao is dark. It doesn't matter, it will turn yellow.

Be special.

This is the problem with hamster breeds. Is it pudding?

……

Whether it will change back to its original color or not, you should be kind to it as always.