We can judge whether the Colombian mud turtle knows the owner in the following ways:

1. If the Colombian mud turtle knows the owner, then it will paddle its limbs in the water when it sees the owner feeding it. Very quickly and frequently, this is the Colombian mud turtle's expression of excitement when it sees its owner. Generally, it is not particularly obvious, and it is difficult to be noticed by the owner.

2. If the Columbian mud turtle is placed on land, it will see a strange The human will stay as far away as possible, but it will crawl towards its owner.