Armand Bayou Nature Center is one of the largest urban wilderness preserve in the U.S. ABNC contains approximately 4000 acres of the natural wetlands forest, prairie and marsh habitats once abundant in the Houston/Galveston area. ABNC is home to over 370 species of birds, mammals, reptiles and amphibians. ABNC offers hiking trails, exhibits, field trips, Scout programs, birding, a historic farm and fun for all.