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

Optimal Foraging00:48

Optimal Foraging

13.3K
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.
13.3K
Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

16.4K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
16.4K

You might also read

Related Articles

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

Sort by
Same author

Leptin, adiposity, and testosterone in captive male macaques.

American journal of physical anthropology·2004
Same author

Dehydroepiandrosterone-sulfate as a biomarker of senescence in male non-human primates.

Experimental gerontology·2003
Same author

Morphological and hormonal parameters in two species of macaques: impact of seasonal breeding.

American journal of physical anthropology·2002
Same journal

A Comparative Study of Aging and Cortical Folding in Chimpanzees and Olive Baboons.

American journal of primatology·2026
Same journal

Forms, Patterns, and Predictors of Body Contact Between Mothers and Infants in Ngogo Chimpanzees (Pan troglodytes schweinfurthii).

American journal of primatology·2026
Same journal

Population Demographic History of Taihangshan Macaques (Macaca mulatta tcheliensis) in the Wulongkou Area, Jiyuan, China.

American journal of primatology·2026
Same journal

Predictors of Urinary Neopterin Concentration in Primates: A Multilevel Meta-Analysis.

American journal of primatology·2026
Same journal

Influence of Vegetation Structure on Lemur Recolonization of Post-Fire Habitats in Northwestern Madagascar.

American journal of primatology·2026
Same journal

Validating a Mixed Qualitative Behavioral Assessment for Adult Western Lowland Gorillas (Gorilla gorilla gorilla) II: Significant Event Monitoring.

American journal of primatology·2026
See all related articles

Related Experiment Video

Updated: Dec 30, 2025

Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

22.9K

Food puzzle for singly caged primates.

Mark A Murchison1, Randolph E Nolte1

  • 1Regional Primate Research Center, Primate Field Station, University of Washington, Medical Lake.

American Journal of Primatology
|January 17, 2020
PubMed
Summary
This summary is machine-generated.

A novel food puzzle successfully enriched the environment for singly caged pigtailed macaques (Macaca nemestrina) by promoting foraging behavior. Young adults were more adept at using the puzzle than middle-aged macaques.

Keywords:
Macaca nemestrinaenvironmental enrichmentforaging

More Related Videos

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents
09:10

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

11.3K
Sucrose Preference and Novelty-Induced Hypophagia Tests in Rats using an Automated Food Intake Monitoring System
07:33

Sucrose Preference and Novelty-Induced Hypophagia Tests in Rats using an Automated Food Intake Monitoring System

Published on: May 8, 2020

11.1K

Related Experiment Videos

Last Updated: Dec 30, 2025

Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

22.9K
Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents
09:10

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

11.3K
Sucrose Preference and Novelty-Induced Hypophagia Tests in Rats using an Automated Food Intake Monitoring System
07:33

Sucrose Preference and Novelty-Induced Hypophagia Tests in Rats using an Automated Food Intake Monitoring System

Published on: May 8, 2020

11.1K

Area of Science:

  • Primate behavior
  • Animal welfare
  • Enrichment devices

Background:

  • Environmental complexity is crucial for singly housed non-human primates.
  • Foraging is a natural behavior that can be stimulated to enhance welfare.

Purpose of the Study:

  • To design and evaluate a food puzzle for enhancing environmental complexity.
  • To promote foraging behavior in singly caged pigtailed macaques (Macaca nemestrina).

Main Methods:

  • A food puzzle constructed from clear plastic tubing was loaded with peanuts in the shell.
  • Puzzles were suspended and attached to cage fronts, allowing manipulation through cage openings.
  • Peanut removal rates were observed and analyzed across different age groups and sexes.

Main Results:

  • Most macaques attempted to remove peanuts from the puzzle upon presentation.
  • Peanut removal was highest within the first hour of puzzle loading.
  • Young adult macaques were more proficient than middle-aged macaques; middle-aged females outperformed males.

Conclusions:

  • The food puzzle effectively provided a goal-oriented, controllable activity for macaques.
  • This enrichment strategy enhanced the environmental complexity for singly caged animals.
  • Age and sex influenced foraging proficiency with the puzzle.