A bird bath is one of the most common pieces used for outdoor decor in the backyard, but too many of them go unused as a bird bath. Part of the problem is neglect, but other issues like placement and stagnation can add to the demise of these old bird baths. There are also a number of different styles like heated deck mounted bird baths that require some unique maintenance. Here is a look at some of the features to look for in a bird bath.