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This was adopted by early researchers [127] including C.E.G. Bailey who demonstrated its use for studying bird song in 1950. [128] The use of spectrograms to visualize bird song was then adopted by Donald J. Borror [129] and developed further by others including W. H. Thorpe. [130] [131] These visual representations are also called sonograms or ...
The northern parula is one of the smaller North American migratory warblers, often being one of the smallest birds in a mixed feeding flock besides kinglets or gnatcatchers. Length is 10.8 to 12.4 cm (4.3 to 4.9 in), wingspan is 16 to 18 cm (6.3 to 7.1 in) and body mass is 5 to 11 g (0.18 to 0.39 oz). [ 12 ]
They used motion-picture film with synchronized sound to record a song sparrow, a house wren, and a rose-breasted grosbeak. This was the Beginning of Cornell Library of Natural Sounds. Graduate student Albert R. Brand and Cornell undergraduate M. Peter Keane developed recording equipment for use in the open field. In the next two years they had ...
PFG 2A: Western Bird Songs (1962) by the Cornell Laboratory of Ornithology Second edition (1992) PFG 3: A Field Guide to Shells of the Atlantic and Gulf Coasts and the West Indies (1947), by Percy A. Morris. Second edition (1951) Third edition (1973) Fourth edition (1995), by R. Tucker Abbott and Percy A. Morris; Photos by R. Tucker Abbott
South Dakota Bird Notes. 24: 4. Martin, DJ (1977). "Songs of the Fox Sparrow Part 1 Structure of Song and Its Comparison with Song in Other Emberizidae". Condor. 79 (2): 209– 221. doi:10.2307/1367164. JSTOR 1367164. Martin, DJ (1979). "Songs of the Fox Sparrow Passerella-Iliaca 2. Intra Population and Inter Population Variation". Condor. 81 ...
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James A. Jobling's Dictionary of Scientific Bird Names, which would be published by Lynx Edicions as the HBW Alive Key to Scientific Names In Ornithology, is accessible as a searchable database on the Birds of the World website, allowing for free access to the definitions of the various scientific names of birds. [12] The HBW Alive Key has been ...