Simple Summary Ants provide an outstanding example of organisms capable of risky acts.
When ants engage in rescue behavior, for example, they do so for a chance of saving …

The common sand-dwelling Formica cinerea ants possess monomorphic workers, yet with
considerable and easily identified size variation. Considering the importance of body size in …

The Formica cinerea ants are known to be highly territorial and aggressively defend their
nest and foraging areas against other ants. During the foraging, workers engage in large …

Social animals, and ants, in particular, exhibit a range of cooperative behaviors. One such
behavior is the rescue of group members, which cannot return to the nest by themselves …

Rescue behavior is observed when 1 individual provides help to another individual in
danger. Most reports of rescue behavior concern ants (Formicidae), in which workers rescue …

Group formation and recognition mechanisms can strongly influence the decision to
cooperate or attack in animal societies. Therefore, testing how individuals recognize group …

The interaction of antlions and ants is postulated to be a predator-prey interaction in which
the involved parties coevolve. Here, we investigated two issues of potential significance in …

Norway rats are known to liberate trapped conspecifics, which implies an empathic
response to the deplorable situation of the captive. If this is an altruistic behavior reflecting …

Trap-building predators remain under strong selection from thermal microenvironments. To
address how soil temperature and body size affect trap building, we conducted a laboratory …

In social insects behavioral consequences of shortened life expectancy include, among
others, increased risk proneness and social withdrawal. We investigated the impact of …