Information transfer in head-on encounters between leaf-cutting ant workers: food, trail condition or orientation cues?
Living in large societies involves costs associated with high density of individuals, but being near others includes the benefit of access to conspecifics’ information. High densities of workers in ant colonies impose traffic congestion costs on foraging trails. It has been postulated that crowding also increases foraging efficiency by facilitating information transfer between workers in […]
Characteristics of a world-class zoo or aquarium in the 21st century
At the start of the 21st century modern zoos and aquariums are expected to contribute to the survival of the species they display, to educate the public, and to maintain the physical and psychological well-being of the animals in their care. For the future, however, zoos and aquariums will have to be extraordinary in both […]