PROF. THEO BAKKER

Welcome to the personal scientific website of Prof. Theo C. M. Bakker, University of Bonn, Germany. It gives an overview of my research and publications, emphasizing my work on sticklebacks during the past 35 years.

Perceived predation risk during development may affect mate choice patterns.
expeimental set-up for testing mate choice
Vitt et al 2020 SciTotalEnviron grahical abstract

Starting with the January issue, BES has a new cover image showing Carter, an adult male chimpanzee (Pan troglodytes) of the Ngogo community in Kibale National Park, Uganda. Male chimpanzees exhibit higher body temperatures when associating with sexually receptive females, which may reflect the metabolic correlates of sexual behavior.

Photo credit: Kevin Langergraber.

For more information see Negrey JD, Sandel AA, Langergraber KE (2020) Dominance rank and the presence of sexually receptive females predict feces-measured body temperature in male chimpanzees.

Behav Ecol Sociobiol 74:5

Congrats to Denis Meuthen for another interesting paper on phenotypic plasticity that just appeared in Animal Behaviour "High perceived predation risk during development affects mutual mate choice in a cichlid fish."

• High-risk males but not females assess potential mates for a shorter time.

• High-risk fish of both sexes are unselective regarding their mate.

• In both sexes, control fish show disassortative preferences for high-risk mates.

Congratulations to Simon Vitt. The last chapter of his PhD-dissertation entitled "Differential investment in pre- and post-mating male sexual traits in response to prolonged exposure to ambient UVB radiation in a fish" went online in Science of The Total Environment .

 

Enhanced ultraviolet B radiation impaired stickleback fish growth and led to differential investment in pre- (intensity of red coloration) and post-mating (sperm number) sexual traits.

Publication in 
Science of the Total Environment
New cover image for Behavioral Ecology and Sociobiology

NEWS

January 2020 cover of Behavioral Ecology and Sociobiology

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