academic and careers

Bird tracks in sand




academic and careers

Robert Porter Allen and Bob Stewart




academic and careers

A lake scene




academic and careers

Whooping Crane in captivity




academic and careers

A flock of Whooping Cranes




academic and careers

Native Americans




academic and careers

A close-up shot of a Whooping Crane in captivity




academic and careers

Three Whooping Cranes at the waters edge




academic and careers

Card with photograph of Whooping Crane with personal note




academic and careers

Card with photograph of birds swimming in the water with a personal note




academic and careers

Lines written in a hide




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Group of men and boys




academic and careers

Don't shoot Whooping Cranes are scarce!




academic and careers

Hunters: Don't shoot any large white bird!




academic and careers

Postcard, National Wildlife Series Whooping Crane 1957




academic and careers

International stamps featuring birds




academic and careers

Museum records - Whooping Crane




academic and careers

Is the Whooping Crane doomed to extinction?




academic and careers

Ardea census, September 4-6, 1963




academic and careers

Spring migration 1948




academic and careers

National Audubon Society letter concerning Whooping Crane investigations




academic and careers

Migration reports and sources, part 2




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Breeding location maps, Canada




academic and careers

Corrected route Whooping Crane migration




academic and careers

Ardea, Florida, 1960




academic and careers

Heron aerial census report




academic and careers

Ardea, Florida, 1958




academic and careers

Reports on Ardeo, Florida, 1958




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Whooping Crane breeding area : Proposed refuge boundaries




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Help wanted : For the Whooping Crane




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Nest relief in Grus americana




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Sketch of injured Whooping Crane




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Plumages




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Texas Spoonbill Notes [1940]




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Sketches of Roseate Spoonbill behavior




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Letter from Marjorie Kinnan Rowlings




academic and careers

Winter flock progress report




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Have you seen a Whooping Crane?




academic and careers

Letter from Fred G. Bard to Rev. L. R. Robson, Loon Lake, Sask.




academic and careers

Whooping Crane investigation, 1948




academic and careers

Florida Crane questionnaire




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Distribution of the Flamingo




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Distribution of the American Flamingo




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Numerical Distrubition of Phoenicopterus




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Number of Whooping Cranes actually reported




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Graph of recorded kill




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Record of kill




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Migrant Whooping Cranes tracking chart




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Bird population tracking chart




academic and careers

Whooping Crane Numbers Reported 1722-1948