recognition

Honors & Awards

• Kentucky Colonel
• Bill Zimmerman Wetland Bird Habitat, Stone Head, Indiana — wetland restored and named in his honor
• Lifetime Conservation Achievement Award, Sycamore Land Trust
• Sassafras Audubon Society: 2010 Conservationist of the Year; 2011 Barbara Restle Founders' Lifetime Award for Conservation
• 3rd Place, Federal Duck Stamp Contest (1965–66); Top Artist Traveling Exhibit, Federal Duck Stamp Contest (1995–96)

Selected One-Man Shows

• 1955 — A.B. Closson Company, Cincinnati, OH (age 17)
• 1964 — Abercrombie & Fitch, traveling feature show: Chicago, New York, San Francisco
• 1976 — Hirschl & Adler, New York, NY
• 1984 — Indiana State Museum, Indianapolis, IN
• 1989 — Illinois State Museum of Natural History & Chicago Academy of Science

Selected Juried & Group Shows

• Society of Animal Artists, New York & San Antonio
• Smithsonian Bird Art Exhibit, Washington, D.C.
• British Museum of Natural History, England (1981)
• Arts for the Parks Top 100 Traveling Exhibition (1989–90): National Museum of Wildlife Art, Cincinnati Museum of Natural History, and museums in Peoria, Shreveport, Rochester, and Anchorage

Collections 

Original works are held in the permanent collections of the Cincinnati Museum of Natural History, Indiana State Museum, Indiana University Art Museum, Pomona College, the Columbus Gallery of Fine Arts, and Indiana University's Lilly Library, among others. Zimmerman has a permanent studio exhibit at Brown County Art Gallery in Nashville, Indiana.