LITERATURE CITED 1767 



1951. Relationships between birds and deer. Condor, vol. 53, pp. 178- 

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 Ripley, S. Dillon 



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1934. "Is the poor bird demented?" Another case of "shadow boxing." 

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ROADCAP, R. 



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1949. Wilson's warbler in Maryland in late December. Auk, vol. 66, pp. 

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 Robbins, Charles Albert 



1932. The advantage of crossed mandibles: A note on the American red 

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 Roberts, Thomas Sadler 



1879. Notes on some Minnesota birds. Bull. Nuttall Ornith. Club, vol. 4, 



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 1932. The birds of Minnesota, vol. 2. 



1936. The birds of Minnesota, ed. 2, vol. 2. 



1955. A manual for the identification of the birds of Minnesota and neigh- 

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1899. Nesting of Belding's sparrow. Bull. Cooper Ornith. Club, vol. 1, 

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 Robertson, John McB. 



1930. Roads and birds. Condor, vol. 32, pp. 142-146. 



1931. Birds and eucalyptus trees. Condor, vol. 33, pp. 137-139. 

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1961. Florida region. Audubon Field Notes, vol. 15, pp. 3-12. 

 Rockwell, Robert Blanchard 



1908. An annotated list of the birds of Mesa County, Colorado. Condor, 



vol. 10, pp. 152-180. 

 1910. Nesting of the gray-headed junco. Condor, vol. 12, pp. 164-165. 

 Rockwell, Robert Blanchard, and Wetmore, Alexander 



1914. A list of the birds from the vicinity of Golden, Colorado. Auk, 

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 Rodgers, Thomas Lathan 



1937. Behavior of the pine siskin. Condor, vol. 39, pp. 143-149. 

 Rodgers, Thomas Lathan, and Sibley, Charles G. 



1940. Frequency of occurrence of birds on the Berkeley campus, University 

 of California. Condor, vol. 42, pp. 203-206. 

 Rogers, Charles Henry 



1903. Winter birds of Central Park, New York City. Wilson Bull., vol. 44, 

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 Rolfe, Eugene S. 



1899. Nesting of Nelson's sparrow. Auk, vol. 16, pp. 356-357. 



