https://dxnest.com/to-yen-sao/
A house martin nest box can be a beautiful addition to any property and attract these charming, migratory birds. Their natural habitats are disappearing and they are in decline but with dedicated nest boxes they can easily be encouraged to return. Providing an alternative to their traditional mud-and-spit constructed roosts and nests, they can take advantage of the extra safety, shelter and dependable space. These prefabricated homes are surprisingly easy to mount and can be set up in a matter of minutes. The eaves of houses are their natural nesting loca