1930a. Experiments in bird migration. II. Reversed migration. Nat. Acad. Sci. 



Proc. 16: 520-525. 



1930b. The mechanism of bird migration. Sci. Prog. 25: 70-78. 

 1931. The riddle of migration. Williams & Wilkins, Baltimore. 151 p. 



Rudebeck, G. 

 1950. Studies on bird migration. Var. Fagelvarld, Supplementum I. 148 p. 



Salmonsen, F. 

 1968. The moult migration. Wildfowl 19: 5-24. 



Sauer, F. 



1957. Die Sternenorientierung nachtlich ziehender Grasmucken (Sylvia attri- 

 capilla borin and curruca). Z. Tierpsych. 14: 29-70. 



1958. Celestial navigation by birds. Sci. Am. 199(2): 42-47. 



Sauer, E. G. F. 

 1961. Further studies on the stellar orientation of nocturnally migrating birds. 



Psychol. Forsch. 26(3): 224-244. 

 1963. Migration habits of Golden Plovers. Proc. XIII Int. Ornithol. Cong.: 454-467. 



Sauer, E. G. F., and E. M. Sauer. 



1960. Star navigation of nocturnal migrating birds. Cold Spring Harbor Symp. on 

 Quant. Biol. 25: 463-473. 



Schmidt-Koenig, K. 



1963. Sun compass orientation of pigeons upon equatorial and transequatorial 

 displacement. Biol. Bull. 124(3): 311-321. 



1964. Sun compass orientation of pigeons upon displacement north of the Arctic 

 circle. Biol. Bull. 127(1): 154-158. 



Schnell, G. D. 



1965. Recording the flight speed of birds by Doppler Radar. Living Bird 4: 79-87. 



Schuz, E. 



1963. On the North-Western migration divide of the White Stork. Proc. XIII Int. 

 Ornithol. Cong. 475-480. 



Serventy, D. L. 



1953. Movements of pelagic sea-birds in the Indo-Pacific region. Proc. 7th Pacific 

 Sci. Cong.: 4: 394-407. 



1958. Recent studies on the Tasmanian mutton-bird. Aust. Mus. Mag. 12: 327-332. 



Sheldon, W. 



1965. Hawk migration in Michigan and the Straits of Mackinac. Jack-Pine 

 Warbler 43(2): 79-83. 



Suntov, V. P. 



1968. Some correlations in the dispersal of Albatrosses in the Northern Pacific. 

 Z. Zhurn. 47: 1054-1064. (In Russian, Eng. summ.) 



Sladen, W. J. L. 



1973. A continental study of whistling swans using neck collars. Wildfowl 24: 8-14. 

 Snyder, L. L. 



1943. The Snowy Owl migration of 1941-42. Wilson Bull. 55(1): 8-10. 

 Southern, W. E. 



1959. Homing of Purple Martins. Wilson Bull. 71: 254-261. 



1965. Avian navigation. Article No. 2, Field Studies and Experiments, p. 87-88; 

 In. Biotelemetry, Bioscience 15(2): 79-121, 159. 



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