Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Habitat Fragmentation02:31

Habitat Fragmentation

20.8K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
20.8K
Conservation of Small Populations02:04

Conservation of Small Populations

16.5K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.5K
Predator-Prey Interactions02:39

Predator-Prey Interactions

20.9K
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.
20.9K
Ecological Niches02:02

Ecological Niches

25.9K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
25.9K
Aggression01:47

Aggression

30.0K
Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for...
30.0K
Zones of Protection01:16

Zones of Protection

707
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
707

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Group traits moderate the relationship between individual social traits and fitness in gorillas.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Nonlinear phenomena in mammalian vocal communication: an introduction and scoping review.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2025
Same author

'Monkey yodels'-frequency jumps in New World monkey vocalizations greatly surpass human vocal register transitions.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2025
Same author

Multiple mechanisms for inbreeding avoidance used simultaneously in a wild ape.

Proceedings. Biological sciences·2023
Same author

Conceptualization, context, and comparison are key to understanding the evolution of fear.

The Behavioral and brain sciences·2023
Same author

Past Connectivity but Recent Inbreeding in Cross River Gorillas Determined Using Whole Genomes from Single Hairs.

Genes·2023

Related Experiment Video

Updated: Dec 26, 2025

Conditions Affecting Social Space in Drosophila melanogaster
08:04

Conditions Affecting Social Space in Drosophila melanogaster

Published on: November 5, 2015

12.8K

Western gorilla space use suggests territoriality.

Robin E Morrison1,2,3, Jacob C Dunn4,5,6, Germán Illera7

  • 1Biological Anthropology, University of Cambridge, Cambridge, UK. robinemilymorrison@gmail.com.

Scientific Reports
|March 14, 2020
PubMed
Summary
This summary is machine-generated.

Western gorillas exhibit territorial behavior, defending core areas and avoiding neighbors

More Related Videos

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

72.3K
Dissecting the Non-human Primate Brain in Stereotaxic Space
09:09

Dissecting the Non-human Primate Brain in Stereotaxic Space

Published on: July 16, 2009

10.5K

Related Experiment Videos

Last Updated: Dec 26, 2025

Conditions Affecting Social Space in Drosophila melanogaster
08:04

Conditions Affecting Social Space in Drosophila melanogaster

Published on: November 5, 2015

12.8K
The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
09:12

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

72.3K
Dissecting the Non-human Primate Brain in Stereotaxic Space
09:09

Dissecting the Non-human Primate Brain in Stereotaxic Space

Published on: July 16, 2009

10.5K

Area of Science:

  • Primate behavior
  • Evolutionary anthropology
  • Conservation science

Background:

  • Human spatial behavior models often focus on chimpanzees, neglecting other apes.
  • Gorillas are typically considered non-territorial due to large home ranges and overlap.

Purpose of the Study:

  • To investigate territoriality in western gorillas.
  • To compare gorilla spatial behavior to models of human evolution.

Main Methods:

  • Large-scale camera trapping over 60 km² in the Republic of Congo.
  • Analysis of inter-group avoidance patterns and home range usage.

Main Results:

  • Gorilla groups showed avoidance patterns suggesting "ownership" of specific regions.
  • Greater avoidance of neighbors near their home range centers was observed.
  • Groups avoided larger groups' home ranges more, indicating dominance dynamics.

Conclusions:

  • Western gorillas display territoriality, defending core areas and showing tolerance in peripheral zones.
  • This behavior mirrors patterns in human evolution, offering insights into territorial violence and cooperation.
  • Gorillas provide a crucial model for understanding the evolution of human territoriality.