Participating Institutions (as of 12/21/11):
Academy of Natural Sciences, Philadelphia PA
Aldo Leopold Foundation, Baraboo WI
Alma College, Alma, MI
Amos Butler Audubon Society, Indianapolis, IN
The Anti-Cruelty Society, Chicago, IL
Art Institute of Pittsburgh, Pittsburgh, PA
Audubon Minnesota, St. Paul, MN
Audubon Society of Western Pennsylvania, Pittsburgh, PA
Ball State University, Muncie, IN
Bell Museum of the University of Minnesota, Minneapolis, MN
Berkshire Museum, Pittsfield, MA
Black Swamp Bird Observatory, Oak Harbor, OH
Canadian Museum of Science, Ottawa, ON
Cantigny Park, Wheaton, IL
Carnegie Museum of Natural History, Pittsburgh, PA
Carnegie-Mellon University, Pittsburgh, PA
Castle Museum of Saginaw County History, Saginaw, MI
Center for Humans and Nature, Chicago IL
Chicago Academy of Sciences and its Peggy Notebaert Nature Museum, Chicago, IL
Chippewa Nature Center, Midland, MI
Cincinnati Zoo and Botanical Gardens, Cincinnati OH
Cleveland Museum of Natural History, Cleveland OH
CONABIO (National Commission for Knowledge and Use of Biodiversity), Mexico, DF
Concordia University, Milwaukee, WI
Cornell University, Department of Art, Ithaca, NY
Cornell University, Laboratory of Ornithology, Ithaca, NY
Discovery Center, Lake Forest, IL
Evanston North Shore Bird Club, Evanston, IL
Everhart Museum of Natural History, Science, and Art, Scranton, PA
Faith in Place, Chicago, IL
Fenner Nature Center, Lansing, MI
Field Museum, Chicago, IL
Forest Preserve District of Cook County, River Forest, IL
Forest Preserve District of Kane County, Geneva, IL
Forest Preserve District of Lake County, Libertyville, IL
Friends of Ryerson Woods, Riverwoods, IL
Garfield Farm and Inn Museum, LaFox, IL
Grand Valley State University, Allendale, MI
The Grove National Historic Landmark, Glenview, IL
Handsome Family (Band), Albuquerque, NM
Harbor Springs Area Historical Society and Harbor Springs History Museum, Harbor Springs, MI
Harvard University Museum of Natural History, Cambridge, MA
Hastings Museum, Hastings NE
Hobart and William Smith Colleges, Geneva, NY
Ijams Nature Center, Knoxville, TN
Illinois Audubon Society, Springfield, IL
Illinois Department of Natural Resources, Springfield, IL
Illinois Natural History Survey, Champaign, IL
Illinois State Museum, Springfield, IL
Indiana State Museum, Indianapolis, IN
Indiana University-Purdue University, Indianapolis, IN
Indiana Department of Natural Resources, Indianapolis, IN
International Crane Foundation, Baraboo, WI
Jahangirnagar University, Savar, Bangladesh
Jurica-Suchy Nature Museum at Benedictine University, Lisle, IL
John Muir Center, University of the Pacific, Stockton, CA
Kalamazoo Nature Center, Kalamazoo, MI
Kingman Museum, Battle Creek, MI
Lake-Cook Audubon Society, Highland Park, IL
Lake Forest Discovery Center, Lake Forest, IL
Lakeshore Museum Center, Muskegon, MI  
L.C. Bates Museum, Hinckley, ME
Leigh Yawkey Woodson Art Museum, Wausau, WI
Liberty Prairie Conservancy, Grayslake, IL
Lincoln Park Zoo, Chicago, IL
Love Creek Nature Center, Niles, MI
Massachusetts Audubon Society, Lincoln, MA
McMaster University Ancient DNA Center, Poinar Labs, Hamilton, ON
Meadowcroft Rock Shelter and Historic Village, Heinz History Center, Pittsburgh, PA
Michigan Department of Natural Resources, Lansing, MI
Michigan State University Museum, East Lansing, MI
Midewin National Tallgrass Prairie, U.S. Forest Service, Wilmington, IL
Minnesota Department of Natural Resources, St. Paul, MN
Minnesota Naturalists Association, Coon Rapids, MN
Minnesota Ornithologists Union, Stacy, MN
Minnesota Zoo, Apple Valley, MN
Morton Arboretum, Lisle, IL
Musicians United for a Sustainable Environment (MUSE), Helena, MT
National Audubon Society, New York, NY
National Aviary, Pittsburgh, PA
National Council for Science and the Environment, Washington DC
New York Historical Society, New York, NY
Ohio Department of Natural Resources, Columbus, OH
Ohio Historical Society, Columbus, OH
Parks of Chehaw, Albany, GA
Peabody Museum, Yale University, New Haven, CT
Pennsylvania State Parks, Harrisburg, PA
Pennsylvania State University, Department of Biology, Shapiro Lab, University Park, PA.
Philadelphia Zoo, Philadelphia, PA
Racine Heritage Museum, Racine, WI
Ramsey County Parks, Ramsey, MN
Rhode Island Audubon Society, Smithfield, RI
RiverCubes, Pittsburgh, PA
Roger Williams Park Museum of Natural History and Planetarium, Providence, RI
Severson Dellls Nature Center,, Rockford, IL
Smithsonian Institution, Washington DC
Thorne Ecological Center, Boulder, CO
Three Rivers Park District, Plymouth, MN
Trumpeter Swan Society, Plymouth, MN
Universidad Nacional de Cordoba, Cordoba, Argentina
University of the Arts, Philadelphia, PA
University of Illinois (Chicago), Chicago, IL
University of Louisiana at Lafayette, Lafayette, LA
University of Michigan Museum of Natural History, Ann Arbor, MI
University of Wisconsin-Madison, Madison, WI
Wagner Free Museum of Science, Philadelphia, PA
Wells College, Aurora, NY
Wesleyan University, Middletown, CT
Wisconsin Society for Ornithology, Madison, WI
Wisconsin State Historical Society, Madison, WI
World Wildlife Fund, Washington DC
Xavier University, Cincinnati, OH