hanging birdhouse

activity backyard bird birder birdhouse birding birds build building cavitynesting chickadees cleaning conservation decor design dimensions diy ecology exterior friendly fun garden guard habitat hang hanging hangs hinge hinged hinges hobbies hobby hole home hook hooks house houses interest interior kit kits location materials mount mounting neighbor nestbox nesting outdoor outdoors perch plan plans predator project protect protection refuge resident safe safety screws seasonal shelter shepherd size sizing species spring summer ventilation wood wooden wrens