An Artificial Simulation of the Vernal Increase in Day Length and Its Effects on the Reproductive System in Three Species of Tits (parus Spp.), and Modifying Effects of Environmental Factors-a Field Experiment

Authors

B. Silverin
P. A. Viebke
J. Westin

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Recommended Citation

Silverin, B.; Viebke, P. A.; and Westin, J. (1989) "An Artificial Simulation of the Vernal Increase in Day Length and Its Effects on the Reproductive System in Three Species of Tits (parus Spp.), and Modifying Effects of Environmental Factors-a Field Experiment," Condor: Vol. 91 : Iss. 3 , Article 8.
Available at: https://digitalcommons.usf.edu/condor/vol91/iss3/8