There are two bittern species in the United States, the American Bittern and the smaller Least Bittern. Both species are generally shy and spend most of their time in weeds and cattails in wetland areas.
Sam is the founder of Birdzilla.com. He has been birding for over 30 years and has a world list of over 2000 species. He has served as treasurer of the Texas Ornithological Society, Sanctuary Chair of Dallas Audubon, Editor of the Cornell Lab of Ornithology's "All About Birds" web site and as a contributing editor for Birding Business magazine. Many of his photographs and videos can be found on the site.