Now there are a lot of positions open in biology at professorpositions.com:

For example,

Postdoctoral Scholar in Ecology and Evolutionary Biology
University of California Los Angeles Department of Ecology and Evolutionary Biology
United States

Postdoc in Characterizing the Alternative Ethylene Biosynthesis Pathway of Plants 
Catholic University of Leuven Biosystems Department
Belgium

Postdoc in experimental evolutionary biology (Switzerland)

Professorship of Biology
University of Munster Faculty of Biology 
Germany

Best wishes,

Anna Maria