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1 May 2001 MULTIPLE REFERENCE USAGE IN THE ZONAL RECOVERY BEHAVIOR BY THE FIDDLER CRAB UCA CUMULANTA
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Abstract

Prevalence of certain celestial and terrestrial cues was tested in the zonal recovery behavior and orientation of the fiddler crab Uca cumulanta. Experiments were conducted in the field bordering a mangrove forest on the eastern Venezuelan coast. Uca cumulanta exhibited zonal recovery behavior based on different orientational references, including celestial cues (sun and polarized sky light) and terrestrial cues (landscape vision and substrate slope). Sun azimuth orientation was time-compensated. Apparent solar position and polarized sunlight pattern were celestial cues which, as tested, prevailed over landscape references and beach slope—terrestrial cues—in cueing the direction of the orientation response shown by crabs.

Roberto Chiussi and Humberto Díaz "MULTIPLE REFERENCE USAGE IN THE ZONAL RECOVERY BEHAVIOR BY THE FIDDLER CRAB UCA CUMULANTA," Journal of Crustacean Biology 21(2), 407-413, (1 May 2001). https://doi.org/10.1651/0278-0372(2001)021[0407:MRUITZ]2.0.CO;2
Received: 20 March 2000; Accepted: 19 October 2000; Published: 1 May 2001
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