Do birds save energy by migrating? Publications of Simone Fricke All genres Journal Article (2) Journal Article (2) 1. Journal Article Fricke, H.; Fricke, S.: Tidal-linked behaviour of the shrimp Ligur uvea in a land-enclosed marine pool. Marine Biology 50 (2), pp. 163 - 167 (1979) MPG.PuRe DOI 2. Journal Article Fricke, H.; Fricke, S.: Monogamy and sex change by aggressive dominance in coral reef fish. Nature 266 (5605), pp. 830 - 832 (1977) MPG.PuRe DOI