A young meerkat facing a live scorpion has a practical problem: getting food without losing control of an animal that can fight back. Older group members can make that problem easier, providing opportunities to practice before the youngster tackles more difficult prey.
Alex Thornton and Katherine McAuliffe tested the value of that experience in their 2006 Science study, “Teaching in wild meerkats.” Over three consecutive days, littermates received different supplements: four dead scorpions daily, four live scorpions with their stings removed, or an equivalent mass of hard-boiled egg. The experiment used six litters.
On day four, each pup received a live, stingless scorpion. All six pups given live-prey practice handled it successfully. Two of six in the dead-scorpion treatment lost theirs, compared with four of six egg-fed controls.
Practice was the experimental ingredient
The researchers’ three-day treatment used the same type of practice prey each day. It tested a component of the helpers’ behavior, rather than reproducing their entire progression from dead to intact live prey.
The distinction is useful when interpreting an animal experiment. Researchers can isolate one feature of a complicated natural interaction and ask whether it makes a measurable difference. A controlled comparison need not duplicate every detail of daily life to test a specific explanation.
Here, the relevant question was whether experience with moving prey improved subsequent handling, beyond receiving food and getting older. The outcome measured was performance on the supplied test animal. It should not be read as a guarantee of success against every scorpion a pup might later encounter.
What the older meerkats actually do
The University of Cambridge’s account of the fieldwork describes a progression in prey preparation. Young pups commonly receive animals that helpers have killed or disabled. As pups grow, helpers increasingly provide live prey. Scorpions are often made less dangerous by removing the sting.
The helpers respond to age-related differences in the pups’ begging calls. They also remain involved after handing over food: an animal may nudge prey toward a reluctant pup, retrieve an escaping item or disable it further before returning it.
Parents are not the only participants. Other group members help rear the young, so a pup’s learning opportunities can come from several older animals. The work took place through the Kalahari Meerkat Project at the Kuruman River Reserve in South Africa.
The lesson is partly in how the food is delivered.
Teaching can be defined by what it achieves
Calling this teaching does not require imagining a meerkat silently planning a curriculum. In their 2008 review of the evolution of teaching, Thornton and Nichola Raihani argued for examining teaching as cooperative behavior that promotes learning in another individual.
That approach asks about costs and benefits. Helping a learner may require effort now, while benefits arrive later, once the learner has acquired a useful skill. The likelihood that teaching evolves also depends on how easily the pupil could learn without assistance.
This gives researchers testable questions without requiring a claim about humanlike intentions. They can examine what the experienced animal changes, what it gives up by doing so and whether the learner gains an advantage.
A functional definition also helps distinguish teaching from an observer simply copying something useful. Both can produce learning, but the role played by the experienced individual differs. Evidence about behavior and outcomes is therefore essential; a scene that looks like instruction is not enough on its own.
Learning what to eat is a separate question
Thornton explored that distinction in a separate 2008 study of social learning about novel foods. Young meerkats were more likely to eat unfamiliar food after interacting with experienced group members. The experiments involved hard-boiled egg, which was outside their normal diet, and scorpions, a naturally encountered prey type.
Yet the study found little evidence that helpers actively taught pups which unfamiliar foods to eat. Learning could instead occur as a by-product of ordinary provisioning and social contact. Patterns of direct food transfer also had possible practical explanations, including reducing the costs and risks of feeding.
That finding does not undo the prey-handling result. Recognizing something as food and acquiring the movements needed to subdue it are different tasks. The same social group can support both, while the evidence for teaching is stronger for one than the other.
A small trial with a specific result
Six successful learners make an arresting result, but the small treatment group remains part of the story. Its value comes from the comparison and the wider observations, rather than from treating six out of six as a universal success rate.
The experiment turns a familiar idea into a question that can be tested: does giving a learner an opportunity to perform a difficult task improve its next attempt? In the meerkat case, the task was concrete, the practice differed between groups and the final challenge was shared.
The pups still had to do the handling themselves.