Department of Zoology

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Photo: Paul Bentzen

Small-brained female guppies aren’t drawn to attractive males

Female guppies with smaller brains can distinguish attractive males, but they don’t recognise them as being more appealing or choose to mate with them, according to a new study by University College London and Stockholm University researchers.

Strand

The Baltic Sea as a time machine for the future coastal ocean

Coastal global oceans are expected to undergo drastic changes driven by climate change and increasing anthropogenic pressures in coming decades. In a new article, an international research team argue that the Baltic Sea can serve as a time machine to study consequences and mitigation of future coastal perturbations.

Photo: Alexandra Balogh

Signal systems in nature

The question about how animals have evolved warning coloration to signal unprofitability to potential predators has been debated for over 150 years. Using chickens, researchers at the Department of Zoology have shown that a psychological mechanism in the signal receiver can drive the evolutionary process towards warning signals, and this could be relevant also for other signal systems in nature.

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