RESEARCH ON ANIMAL ORIENTATION, WITH EMPHASIS ON THE PHENOMENON OF HOMING IN PIGEONS Open PDF Document Details Document Type Technical Report Publication Date Jan 26, 1954 Accession Number AD0024294 Entities People J. G. Pratt Organizations Duke University Tags DTIC Thesaurus Topics Animals Birds Contracts Errors Hypotheses Intervals Magnetic Fields Materials Navigation North Carolina Observation Orientation (Direction) South Carolina Statistical Tests Sun United States Universities