Summary
Helpers other than parents assist in raising young, as in meerkats and some birds.
In depth
Helpers at nest gain inclusive fitness, experience and territory inheritance. Ecological constraints on dispersal promote it.
Helpers gain indirect fitness and experience, and may inherit the breeding position. Delayed dispersal is promoted when habitat is saturated. Conflicts are managed by dominance and reproductive suppression.
Example: in meerkats, subordinate females help rear the dominant female's pups.
In cooperative breeders, individuals other than the parents, called helpers, assist in rearing young. Helpers are often grown offspring that delay dispersal, as in Florida scrub jays, or relatives in groups like meerkats and naked mole-rats.
Benefits include indirect fitness from raising kin, gaining experience, and inheriting the territory; ecological constraints, such as scarce breeding spots, favour staying. Helpers can raise offspring survival substantially.
Example: in meerkats, helpers babysit, feed pups and take turns as sentinels.
Key idea: it links kin selection with ecology and illustrates reproductive skew, in which a few individuals do most of the breeding.
Frequently asked questions
What is Cooperative Breeding?
Helpers other than parents assist in raising young, as in meerkats and some birds.
Which area of biology covers Cooperative Breeding, and how advanced is it?
Cooperative Breeding is one of the 53 topics in Animal Behaviour. It is rated Advanced, so it suits learners who want specialist depth. Related topics in this area include Hamilton's Rule, Social Groups, Altruism.
Can you give an example of Cooperative Breeding?
Naked mole-rats have a eusocial colony with a single breeding queen.
What should I learn before Cooperative Breeding?
Work through the Beginner topics in Animal Behaviour first, such as Animal Behaviour, Innate Behaviour, Learned Behaviour, then return to Cooperative Breeding. Advanced topics assume the Intermediate vocabulary.
What topics are related to Cooperative Breeding?
The closest topics to Cooperative Breeding are Hamilton's Rule, Social Groups, Altruism, Mating Systems. Comparing them side by side is a good way to see how the ideas connect.
How can I check that I understand Cooperative Breeding?
Read the summary and the in-depth section, then use the quick check on the interactive lesson for Cooperative Breeding. To practise the whole of Animal Behaviour, use the Animal Behaviour quiz.
How is Cooperative Breeding different from Hamilton's Rule?
Cooperative Breeding: Helpers other than parents assist in raising young, as in meerkats and some birds. Hamilton's Rule: Altruism evolves when relatedness times benefit exceeds the cost, rb greater than c. Read both side by side and note what each one explains.
How should I study Cooperative Breeding step by step?
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Hamilton's Rule and explain the difference aloud. Finally, take the Animal Behaviour quiz and come back to this page for any question you miss.