Zoological Institute
University of Zurich
Winterthurerstrasse 190 
CH-8057 Zurich
Switzerland
phone: +41 (0)44 635 49 80
fax: +41 (0)44 635 68 21
e-mail: ulireyer@zool.unizh.ch
www: Life Science Zurich
  University of Zurich
  Zoological Institute
  Ecology Group
Home address:
Rietholzstrasse 34 
CH-8125 Zollikerberg
Switzerland
phone: +41 (0)44 392 12 48
fax: +41 (0)44 392 22 29