Wen birds need enough space to breed and a relatively dark environment. Coconut shells are open and cannot create a semi-closed dark environment, so they are not suitable. If you put coconut shells in a breeding box, the moving space is too small. In addition, smooth coconut shells may also lead to splayed feet of young birds, so don't use coconut shells as their breeding nests.
The wenbird is a general term for some finned birds, such as the wenbird and the waxbill, which are native to Asia. Crops that once endangered the local area of their country of origin were regarded as harmful birds. Now, after bird people's cultivation, in addition to the original gray characters, it has been successfully cultivated into white characters and camel characters, and new varieties have emerged. Black characters and silver characters are actually not silver, but very light gray. Its body color has changed from the gray of the original gray characters to light gray, while the original black area has become medium gray.