Bird watching is one of the fastest-growing hobbies in our nation. Fifty million people plan trips each year to watch birds, but you can also be a birder by looking out your window. We have seven tips for those looking for a pastime that requires you to pay almost nothing and do less. Fifty million Americans actually go to the fuss and bother of planning trips to watch wild birds each year, rather than just looking out the window. Suit yourselves, but I’ll enjoy my cup of coffee right here.