spring inspection and cleaning of birdhouses on trees for spring nesting. every spring we clean and check the condition and integr

attach bark betula birch bird birdhouses black blue box branch burnt carrying check checking clean cleaning condition cordara crown every fire fitter fixing hand hole inspection installation integr integrity ladder major man men metal nest nesting new openning ornithologist overall pardus park pendula pipe plastic sky specialist spring surface tanned tilia titmouse tits tree trees trunk white wire wood wooden working