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 Experiment Videos

Way-finding and landmarks: the multiple-bearings hypothesis.

A C Kamil1, K Cheng

  • 1Departments of Biological Sciences and Psychology, University of Nebraska-Lincoln, Lincoln, NE 68588-0118, USA. akamil@unlserve.unl.edu

The Journal of Experimental Biology
|December 6, 2000
PubMed
Summary

Clark's nutcrackers precisely relocate food caches using multiple landmarks. They rely on directional bearings to landmarks, with more landmarks leading to more accurate searching behavior.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Safety of long-term use of contezolid for TB and non-TB mycobacteria infections.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same author

[miR-488-5p promotes osteogenic and neurogenic differentiation of rat bone marrow mesenchymal stem cells and enhances neuralized bone regeneration].

Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences·2026
Same author

Chlorogenic acid supplementation regulates redox status, hepatic inflammation, and mitochondrial function in weaned piglets with intrauterine growth retardation.

Polish journal of veterinary sciences·2025
Same author

Anti-HBs Immune Complex Levels: A Novel Marker of Hepatitis Flare Following Nucleos(t)ide Analog Withdrawal in HBeAg-negative Chronic Hepatitis B.

The Journal of infectious diseases·2025
Same author

Corrigendum to 'Round Window Membrane Extracellular Vesicles Facilitate Inner Ear Drug Delivery' [Journal of Controlled Release 387 (2025) 114153].

Journal of controlled release : official journal of the Controlled Release Society·2025
Same author

Psychometric properties of the Chinese version of 21-item Fall Risk Index for community-dwelling older adults with stroke.

European journal of physical and rehabilitation medicine·2025

Area of Science:

  • Ornithology
  • Animal Behavior
  • Spatial Cognition

Background:

  • Clark's nutcrackers exhibit remarkable spatial memory for caching food.
  • Previous studies suggest reliance on geometric relationships for cache relocation.

Purpose of the Study:

  • To propose and test the 'multiple-bearings hypothesis' for cache searching in Clark's nutcrackers.
  • To investigate the role of directional information from landmarks in spatial memory.

Main Methods:

  • Analysis of nutcracker searching behavior using metric relationships between goals and landmarks.
  • Development and simulation of the multiple-bearings hypothesis.
  • Predicting search distributions based on landmark-goal geometry.

Main Results:

Related Experiment Videos

  • Nutcrackers judge direction more accurately than distance to distant landmarks.
  • Simulations show increased search precision with a greater number of landmarks.
  • The multiple-bearings hypothesis predicts search patterns based on landmark geometry.

Conclusions:

  • Clark's nutcrackers likely use a set of directional bearings to multiple landmarks for efficient cache searching.
  • This hypothesis explains search precision and potential inconsistencies in previous research on spatial memory and homing.