I prefer to write my own posts, but when I saw this article from the U.S. Fish and Wildlife Service Division of Migratory Birds, I had to share it with you. I had no idea that open pipes were such a hazard to birds and other wildlife!
Death by Pipe: Birds in Crisis

Trapped in a small space, unable to move, with no food or water, slowing dying of stress, starvation, or dehydration; most of us can’t imagine a less appealing end. Unfortunately, this is the reality for hundreds, thousands, possibly millions of birds and other animals each year. Recent inspection of open or uncapped pipes has uncovered a grisly secret: countless bird and other animal carcasses collecting inside. Open or uncapped vertical pipes pose a very real hazard to wildlife, especially birds.