When are neighbours ‘dear enemies’ and when are they not? The responses of territorial male variegated pupfish, Cyprinodon variegatus, to neighbours, strangers and heterospecifics
@article{Leiser2003WhenAN, title={When are neighbours ‘dear enemies’ and when are they not? The responses of territorial male variegated pupfish, Cyprinodon variegatus, to neighbours, strangers and heterospecifics}, author={J. K. Leiser}, journal={Animal Behaviour}, year={2003}, volume={65}, pages={453-462} }
Abstract Dear enemy recognition reduces the costs of territorial defence in some species, but not others, when a neighbour is more threatening to a resident's fitness than an intruder. I asked whether dear enemy effects were fixed in a particular species, or if the reduced aggression between a resident and neighbour was disrupted by the presence of potential mating opportunities. Observing variegated pupfish, Cyprinodon variegatus , in the field and in the laboratory, I examined the effects of… CONTINUE READING
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