John Parke Custis. (Redirected from Jack Custis) John Parke Custis (27 November 1754 â 5 November 1781) was a Virginia planter and the son of Martha Washington and stepson of George Washington.
Besides windows, birds may attack the side-view mirrors of cars and gazing balls-anything that creates a reflection. To prevent birds from attacking their reflections, you have to. . Options include covering the outside of the window or soaping up the outside of the window so the bird no longer sees its reflection.
It enhances a birdâs vision. Natural sunlight can only be reached outside. Setting your birdâs cage by the window isnât enough. Sure it will give them something different to look at during the day, but glass blocks out 90% of the sunâs UV rays, even screens block out 30%, so there is no gain or vitamin D production.