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Date: 1896 

Description: Rear view of two passenger pigeons in a cage. This species of pigeon is now extinct. The pigeons lived in captivity in the aviary of Professor C.O. Whitman...

Date: 1996-11 

Description: "A 90-foot-long culvert will serve as an entrance for researchers."

Date: 1896 

Description: Frontal view of two passenger pigeons. This species of pigeon is now extinct. The pigeons lived in captivity in the aviary of Professor C.O. Whitman, profe...

Date: 1996-11 

Description: "The Neda mine has four miles of corridors over about 22 arches."

Date: 1972 

Description: Cover for the Wisconsin Friends of Our Native Landscape program. Depicted is a red wing blackbird perching on cattail flowers in a body of water. The Wisco...

Date: 1896 

Description: Side view of a passenger pigeon, a species of pigeon now extinct. Part of a group of pigeons that lived in captivity in the aviary of Professor C.O. Whitma...

Date: 1896 

Description: View of a young passenger pigeon, a species of pigeon now extinct, with others visible below. Part of a group of pigeons that lived in captivity in the avi...

Date: 1896 

Description: Profile view of a young passenger pigeon, on a cardboard box. This species of pigeon is now extinct. One of a group of pigeons that lived in captivity in t...

Date: 1937-01 

Description: Elevated view of the interior of Armory B, showing tables with displays, visitors, and an orchestra in the balcony at the First Annual Conservation Show. A...

Date: 1959-02-03 

Description: 420 men turned out for the annual Ducks Unlimited dinner at Club Chanticleer. Ducks Unlimited was founded in 1938 by persons interested in wildlife conser...

Photograph

Man Feeding Fawn

Date:  

Description: A man in a plaid jacket feeds a bottle of milk to a fawn.

Date: 1896 

Description: Two passenger pigeons, a species of pigeon now extinct, near a nest. Part of a group of pigeons that lived in captivity in the aviary of Professor C.O. Whi...

Photograph

Passenger Pigeon

Date: 1896 

Description: A passenger pigeon on a perch. The passenger pigeon is now extinct. Part of a group of pigeons that lived in captivity in the aviary of Professor C.O. Whit...

Date: 1896 

Description: Profile view of a passenger pigeon, a species of pigeon now extinct, in a cage. Part of a group of pigeons that lived in captivity in the aviary of Profess...

Historical Essay

Leopold, Aldo, 1887-1948

Father of Wildlife Ecology

Learn about the man whose focus on the philosophy of conservation would inspire the environmental movement during the mid-20th century.

Date: 1896 

Description: Seven passenger pigeons (possibly other types of pigeon as well?), a species of pigeon now extinct. Part of a group of pigeons that lived in captivity in t...

Date: 1896 

Description: Profile view of a passenger pigeon, a species of pigeon now extinct. Part of a group of pigeons that lived in captivity in the aviary of Professor C.O. Whi...

Date: 1996-11 

Description: "Bill Volkert, Naturalist."

Date:  date unknown

Description: Drawing of Prairie Wolf.

Date: 1896 

Description: Profile view of a passenger pigeon, a species of pigeon now extinct. Part of a group of pigeons that lived in captivity in the aviary of Professor C.O. Whi...

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