Related Experiment Video
Updated: Jan 14, 2026
04:20
Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
Published on: July 12, 2024
2.4K
Task allocation in a cooperative breeder reflects current needs, not early-life experience
Océane Vanessa Ferreira1, Barbara Taborsky2
1Division of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland. oceane.ferreira@unibe.ch.
Scientific Reports
|October 22, 2025
Summary
Cooperative breeders prioritize current needs over early life experiences for task allocation. This suggests that immediate environmental demands, not past training, shape social behavior in groups.
Area of Science:
- Evolutionary biology
- Animal behavior
- Social evolution
Background:
- Division of labor is a key evolutionary transition in social groups.
- Specialization enhances group efficiency, but environmental unpredictability favors generalists.
- Early life experiences are crucial for developing social behaviors.
Purpose of the Study:
- To investigate how early life experiences influence later-life task performance in cooperative breeders.
- To determine if task specialization or generalization is favored in fluctuating environments.
- To understand the ecological factors shaping complex societies.
Main Methods:
- Studied helpers of the cooperatively breeding cichlid Neolamprologus pulcher.
- Manipulated early life experiences related to predator defense and territory maintenance.
- Assessed later-life task performance in response to current helping needs.
Main Results:
- Early life experiences with predator defense or territory maintenance did not affect current task performance.
- Current needs for egg care, predator defense, and territory maintenance significantly influenced task performance.
- Helpers adapted their behavior based on immediate requirements.
Conclusions:
- Task distribution in cooperative breeders is primarily shaped by present requirements, not early life experiences.
- Environmental unpredictability may favor behavioral flexibility driven by current needs.
- This challenges the notion that early life programming solely dictates social roles in cooperative breeding systems.
Related Concept Videos
00:51Energy Budgets
10.6K
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
10.6K
00:55Parental Care
12.6K
Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
12.6K
01:29Life Histories
22.5K
Overview
22.5K
00:48Optimal Foraging
13.6K
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.
13.6K
00:57Inclusive Fitness
37.3K
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
37.3K
01:03Altruism
42.5K
Altruistic behaviors are “unselfish” behaviors—those that help another individual at the expense of the individual carrying out the behavior. Despite the negative consequences for the altruistic animal, these behaviors are thought to have evolved for several reasons.
42.5K