Orientation of Migratory Restlessness in the White-Crowned Sparrow
- 8 January 1960
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 131 (3393) , 105-106
- https://doi.org/10.1126/science.131.3393.105
Abstract
Individuals of two migratory races of white-crowned sparrows (Zonotrichia leucophrys) caged under an open sky showed a pronounced orientation in their night restlessness during normal periods of migration for the species. In August and September 1958 most birds showed a southerly orientation at night; daytime activity was random to somewhat northerly. In April and May 1959 most birds showed a strong northerly orientation at night; daytime activity was random to somewhat southerly (1).This publication has 6 references indexed in Scilit:
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- Quantitative Measurement of the Influence of Photoperiod, Temperature, and Season on the Activity of Captive SongbirdsEcological Monographs, 1954
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- Über Jahres- und Tagesrhythmus bei ZugvögelnJournal of Comparative Physiology A, 1930