The last two Carolina Parakeet eggs were taken by a professional collector from an active nest at Gum Slough, Okeechobee, Florida, in May 1930. They were the last physical evidence of the existence of the Carolina Parakeet. Carolina Parakeet Memorial is located in Kissimmee State Park, Okeechobee, FL.

The last documented pair of Great Auks was killed on Eldey Island, Iceland, 3 June 1844. Great Auk memorial is located on Fogo Island, Newfoundland, Canada.

The Heath Hen was last seen in Green's Field, Martha's Vineyard, Massachusetts, 11 March 1932. Heath Hen Memorial is located in Manuel F. Correllus State Forest, Martha's Vineyard, MA.

The last documented Labrador Duck was shot on the banks of the Chemung River at a place called the Buttonwoods, now Brand Park, Elmira, New York, 12 December 1878. Labrador Duck Memorial is located in Brand Park, Elmiram NY.

The last Passenger Pigeon seen in the wild was shot in Pike County, Ohio, 24 March 1900. Passenger Pigeon Memorial is located at the Grange Insurance Audubon Center, Columbus, OH

One group of five are on display as part of the perminent collection of the National Wildlife Museum, Jackson, WY. Other exhibitions venues include the National Mall, Washington, DC, the Ann Norton Sculpture Gardens, West Palm Beach, FL, and the Jule Collins Smith Museum of Fine Art at Auburn University, AL. The edition is limited to fifteen each in three sizes.