To refer to this article use this url: http://dpc.uba.uva.nl/ctz/vol75/nr01/art04
Acknowledgements
We are indebted to the Malagasy authorities for research and export permits, and to several friends and colleagues for assistance in the field: Frank Glaw, Marta Puente, Liliane Raharivololoniaina, Roger-Daniel Dandrianiaina, and David R. Vieites. We acknowledge financial support from the Volkswagen Foundation.