---
title: "Lekking Behavior | Biological Anthropology"
description: "Lekking behavior is a mating strategy where males display in a shared courtship area and females choose among them, showing sexual selection in Biological Anthropology."
canonical: "https://fiveable.me/biological-anthropology/key-terms/lekking-behavior"
type: "key-term"
subject: "Biological Anthropology"
unit: "Unit 11"
---

# Lekking Behavior | Biological Anthropology

## Definition

Lekking behavior is a mating strategy in which males gather in a lek to display, compete, and attract females. In Biological Anthropology, it shows how sexual selection can shape mating patterns and reproductive success.

## What It Is

Lekking behavior is a mating system in Biological Anthropology where males gather in a shared display area, called a lek, and compete for female attention. Instead of one male controlling a territory or resource, the males compete through visual displays, calls, postures, dances, or short fights while females move among them and choose a mate.

The main point of a lek is not just that males are together. The location matters because it gives females a place where they can compare multiple males side by side. That makes lekking a strong example of mate choice, since female preference can shape which males reproduce and which traits become more common over time.

Lekking often shows up in species where males do not provide much direct parental care or resources. In those cases, males invest energy in being noticeable, persistent, and impressive. The traits under selection are usually signs that females can evaluate quickly, such as bright plumage, strong vocalizations, elaborate movement, or stamina.

A classic pattern in lekking systems is skewed reproductive success. A few dominant males may get most of the matings, while many others display but never mate. That sounds inefficient from a simple survival point of view, but evolution does not reward fairness. It rewards whatever strategy leaves more offspring, even if the competition is intense and costly.

Lekking is also risky. Males spend time in open areas where predators can spot them more easily, and they use energy on displays that may not result in a mating. Even so, the behavior can persist because females are choosing among the best available signals, and males that perform well can pass on traits linked to health, strength, or developmental quality.

In human terms, you would not usually call human courtship a lek, but the concept helps you think about how mating systems differ across species. Biological Anthropology uses lekking to compare reproductive strategies, sexual selection, and the balance between competition and choice in primates and other animals.

## Why It Matters

Lekking behavior gives you a clear window into sexual selection, which is one of the big ideas in Biological Anthropology. It shows that mating success is not only about surviving long enough to reproduce, but also about how individuals attract and compare mates.

The term also helps explain why reproductive strategies can be uneven. In a lek, a small number of males may father most offspring, so the pattern of genetic contribution to the next generation is very lopsided. That makes lekking useful for understanding variance in reproductive success, a theme that comes up often when you compare mating systems.

It also connects to mate choice because females are not passive in the system. Their preferences can shape which displays get favored, which traits become exaggerated, and which males leave more offspring. If you are reading a passage or analyzing an animal behavior case, spotting lekking tells you to look for display, competition, female choice, and sexual dimorphism rather than resource defense or pair bonding.

The concept matters beyond one species example because it gives you a framework for asking why a mating system evolved the way it did. You can trace the tradeoff between display costs, predation risk, and reproductive payoff, then explain why that balance can still make evolutionary sense.

## Connections

### [Sexual selection](/biological-anthropology/key-terms/sexual-selection)

Lekking is one of the clearest examples of sexual selection because traits that win mates can spread even when they are costly. Instead of survival alone driving evolution, the display traits that females prefer can become more common. When you see a lek, you are usually looking at sexual selection in action through competition and choice.

### Mate choice

Mate choice is the female side of a lek. Females visit the display area, compare males, and choose based on signals like stamina, symmetry, or display quality. Without mate choice, a lek would just be a gathering of males. The female decision is what gives the system its evolutionary force.

### Polygyny

Lekking often produces a polygynous pattern because a few males end up mating with many females, while many males mate with none. The two terms are related but not identical. Polygyny describes the mating outcome, while lekking describes the display system that can lead to that outcome.

### [Social Monogamy](/biological-anthropology/key-terms/social-monogamy)

Social monogamy is almost the opposite pattern from lekking. In social monogamy, a pair bond forms and a male and female stay socially linked, even if genetic mating patterns can still vary. Lekking does not center on pair bonds or long-term partnership, so the comparison helps you separate social structure from display competition.

## On the AP Exam

A quiz item might show a short animal behavior scenario and ask you to identify the mating system. If the males gather in one place, display to passing females, and only a few males get most of the matings, lekking is the term you want.

In a written response, use it to explain cause and effect: males cluster, females compare, sexual selection favors display traits, and reproductive success becomes skewed. If a prompt asks why a species would evolve such a costly strategy, you can point to female choice and the payoff of attracting multiple mates in one location.

On image or case questions, look for open display arenas, male competition, and strong signaling traits. The fastest answer usually comes from identifying the whole pattern, not just one male showing off.

## lekking behavior vs territorial behavior

Territorial behavior is about defending a space, resource, or mate access, while lekking is about males gathering in a shared display area to compete through courtship. In territorial systems, one male often controls a site. In a lek, males cluster together and females do the choosing, so the competition looks very different.

## Key Takeaways

- Lekking behavior is a mating strategy where males gather in a lek and display to attract females.
- It is a strong example of sexual selection because female choice helps shape which male traits get passed on.
- Lek systems often produce skewed reproductive success, with a few males mating with most females.
- The behavior is costly for males because displays take energy and can increase predator risk.
- In Biological Anthropology, lekking is useful for comparing mating systems and explaining how competition and choice interact.

## FAQs

### What is lekking behavior in Biological Anthropology?

Lekking behavior is when males gather in a shared display area and compete for female attention through courtship displays, calls, or fights. Females visit the lek, compare males, and choose mates. In Biological Anthropology, it is a classic example of sexual selection.

### Why do females choose from a lek instead of mating with the nearest male?

A lek lets females compare several males in one place, which can make it easier to judge display quality or signs of genetic fitness. The choice is not random. Female preference can favor traits linked to health, vigor, or strong development.

### Is lekking the same as polygyny?

No. Polygyny describes a mating pattern where one male mates with multiple females, while lekking describes the display system that can produce that pattern. A lek often leads to polygyny, but they are not the same concept.

### What is a common mistake when identifying lekking behavior?

A common mistake is thinking any group of males is a lek. For it to count, the males have to be in a display setting where females come to evaluate them, and mating success is usually uneven. If males are mainly defending resources or pair bonds, you are probably looking at a different system.

## Related Study Guides

- [11.2 Mating systems and reproductive strategies](/biological-anthropology/unit-11/mating-systems-reproductive-strategies/study-guide/6O8oX0AK7PNp5Xjw)

## About This Document

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