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First published online May 18, 2006
Journal of Experimental Biology 209, 2165-2169 (2006)
Published by The Company of Biologists 2006
doi: 10.1242/jeb.02252

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Evidence that blue petrel, Halobaena caerulea, fledglings can detect and orient to dimethyl sulfide

F. Bonadonna^1,*, S. Caro¹, P. Jouventin¹ and G. A. Nevitt²

¹ Behavioural Ecology Group, CNRS-CEFE, 1919 route de Mende, F-34293 Montpellier, Cedex 5, France
² Centre for Animal Behaviour, Section of Neurobiology, Physiology and Behaviour, University of California, Davis, CA 95616, USA

View larger version (8K): [in a new window]   Fig. 1. Responses to DMS using the Porter method. Black bar, average response to DMS solution (10 pmol l-1); white bar, response to control solution (water). Values are means ± s.e.m. Differences are significant (Wilcoxon matched-pair sign ranks test, P<0.03, N=22 chicks, 15-20 days old. See text).

View larger version (9K): [in a new window]   Fig. 2. Orientation to DMS in a Y-maze. Each histogram shows the percentage of blue petrel chicks that chose DMS, control (C) or did not chose (NC) in Y-maze tests.