Seed preference in a desert harvester ant, Messor pergandei

Tonia Brito-Bersi, Emily Dawes, Richard Martinez & Alexander McDonald
Optimal foraging theory states that foragers maximize their energy intake by minimizing the energy expended to collect their food. The harvester ant, Messor pergandei, provides a model system to study foraging energy expenditure due to their dependable group foraging behavior. Exploring seed preference could give us further insight into how their harvesting affects the surrounding vegetation and ecosystem as a whole. Choice trials were conducted on M. pergandei using three native seeds and one non-native...
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