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.
Know why some animals sleep with one eye open. Some birds and aquatic mammals have been shown to sleep with their eyes open. In all probability this is an evolved defense mechanism in response to the environment and nothing to do with the same thing in humans.