Do you know the family?

Gray Yan does not know the home, so it is best not to let it go.Although this bird has a swallow in the name, it has nothing to do with the swallow. Its scientific name is gray silk, native to Africa. Although the shape is not very beautiful, it can also be used as a cage. The sound is still very nice.of.Its courage is very small, so it is generally not possible to release it, and it is difficult to come back once flying away.