Communication is always constrained by noise. Imagine a finch calling for mates along a busy road during rush hour. Car noise will make it quite difficult for his fellow urban birds to hear him at all. It must be all easier in a peaceful forest, don’t you think? Perhaps not. Forests are full of birds,
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Confirmation bias in behavioural experiments
The data confirmed your expectations? That’s great, you were right from the beginning – or where you tricked by what is called confirmation bias – you only saw what you wanted to see? Although the effect is typically strongest with emotionally charged subjects (think gun control), it can be a serious problem in scientific experiments
New paper: Wingless virgin queens defend leaf-cutting ant colonies
I have a new paper published on nest-defence in Acromyrmex leaf-cutting ants. We found that young virgin queens switch to worker behaviour once they lose the prospect of founding their own colony. Normally, virgin queens avoid taking risks because they are supposed to partake in a mating flight and found a new “daughter” colony afterwards.