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Too much information: subordinate species disadvantaged by greater release of volatiles from resources
Stephen T Trumbo
Volatile chemical cues produced by microbes provide essential information for animals. The quantity of volatiles available is related to temperature, directly by vapor pressure and indirectly by changes in microbial activity. We know little, however, about how these cues alter interspecific ...
Not all who wander are lost: prospecting and settlement of male floaters in the spotless starling
Iraida Redondo and others
Floaters are non-breeding individuals that lack a territory or a breeding site. In many species, they can be seen visiting the territories of conspecifics before obtaining their own breeding site. Prospecting behavior is hypothesized to benefit floaters through information acquisition, enhanced ...
Inter-sexual phenotypic divergence is correlated with habitat structure in an invasive lizard
Maki Morooka and others
The success of invasive species is largely dependent on their ability to adapt to new environmental contexts. In dioecious species, adaptive responses can differ between males and females because of variation in the influence of sexual selection and/or the potential for inter-sexual niche ...
Cooperative breeding in birds increases the within-year fecundity mean without increasing the variance: A potential mechanism to buffer environmental uncertainty
Shicheng Chen and others
Cooperative breeding is a common strategy of vertebrates under harsh, unpredictable environments. Yet we do not fully understand the demographic mechanisms by which these animals buffer the environmental challenges, because while cooperation typically increases the fitness mean, whether it alters ...
Short-term increases in rival number improves single mating productivity in male Drosophila
Lily Amos and others
In variable environments, animals can change their reproductive behaviours and physiology to maximise reproductive returns. Natural environments vary in multifaceted ways, and animals may need to integrate multiple social or physical cues to adopt the most effective behavioural strategy. In a fully ...
What should we be doing as Behavioural Ecologists?
John A Endler
It is worthwhile to consider what we are doing as Behavioural Ecolgists. Tinbergen and others did an excellent job of focussing the field and its methods but it is valuable to consider what aspects of our subject need more development. In order to answer questions about Behavioural Ecology and ...
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