Related Experiment Video
Updated: Mar 10, 2026
09:09
Radio Frequency Identification and Motion-sensitive Video Efficiently Automate Recording of Unrewarded Choice Behavior by Bumblebees
Published on: November 15, 2014
11.4K
Variability in individual activity bursts improves ant foraging success
Daniel Campos1, Frederic Bartumeus2,3,4, Vicenç Méndez5
1Grup de Física Estadística, Departament de Física. Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain daniel.campos@uab.es.
Journal of the Royal Society, Interface
|December 16, 2016
Summary
Behavioral variability in ant foraging, specifically temporal activity patterns, enhances group success. Individual plasticity, not fixed roles, drives this advantage, showing lab experiments inform real-world foraging.
Area of Science:
- Behavioral Ecology
- Computational Biology
- Insect Social Behavior
Background:
- Understanding how individual behavior contributes to collective foraging is crucial for ecological studies.
- Behavioral variability plays a key role in the adaptability and success of social insects.
Purpose of the Study:
- To investigate the role of behavioral variability in individual and collective foraging regulation in A. senilis ants.
- To determine if individual behavioral plasticity or fixed stereotypes drive foraging patterns.
- To assess the functional advantage of observed variability on group foraging success.
Main Methods:
- Conducting controlled foraging experiments with marked A. senilis ants to record individual trajectories.
- Quantifying behavioral variability in parameters like turning angles and speed.
- Developing an agent-based model (ABM) incorporating experimental data and pheromone communication.
Main Results:
- Individual ant trajectories showed low variability, contrasting with higher variability in temporal activity profiles.
- Behavioral variability appears driven by individual plasticity over time, not by fixed specialist roles.
- Computational modeling provided evidence that this individual variability confers a functional advantage to the group's foraging success.
Conclusions:
- Individual behavioral plasticity is a key factor in regulating ant foraging patterns.
- Variability in temporal activity profiles, driven by plasticity, enhances collective foraging efficiency.
- Simplified experimental conditions can yield valuable insights into complex biological information-gathering systems.
Related Concept Videos
00:48Optimal Foraging
14.2K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
14.2K
00:54What is Behavior?
10.4K
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
10.4K
01:23Optimal Arousal Theory
1.0K
The optimal arousal theory suggests that performance is maximized when an individual experiences a moderate level of arousal. This theory is closely tied to the Yerkes-Dodson law, which illustrates an inverted U-shaped relationship between arousal and performance. The law, formulated by psychologists Robert Yerkes and John Dodson, implies an ideal arousal level for optimal performance, and deviations from this level can lead to declines in effectiveness.
Inverted U-Shaped Performance Curve
The...
Inverted U-Shaped Performance Curve
The...
1.0K
01:05Instinctive Drift
1.0K
Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...
1.0K
02:39Predator-Prey Interactions
22.0K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
22.0K