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Related Experiment Video

Updated: Aug 6, 2025

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ForageFeeder: A low-cost open source feeder for randomly distributing food.

Nima Jadali1, Margaret J Zhang2, Andrew K Schulz2,3

  • 1College of Computing, Georgia Institute of Technology, Atlanta, GA 30332, USA.

Hardwarex
|March 23, 2023
PubMed
Summary

Zoo gorillas can now be fed automatically with the ForageFeeder, an innovative device that dispenses food randomly throughout the day. This automated gorilla feeder reduces manual labor and enhances animal enrichment through natural foraging behaviors.

Keywords:
Behavioral biologyConservation technologyDeer feedingForage feeding

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Area of Science:

  • Primate ethology
  • Zoo animal welfare
  • Agricultural engineering

Background:

  • Traditional automated feeders are unsuitable for zoo animals like gorillas due to food size.
  • Manual feeding of captive gorillas limits natural foraging behaviors and enrichment.
  • Current feeding methods require significant staff time and fixed schedules.

Purpose of the Study:

  • To design and develop an automated feeding system for captive gorillas.
  • To increase exercise and enrichment for gorillas by mimicking natural foraging.
  • To reduce manual labor for zoo staff and improve feeding accessibility.

Main Methods:

  • Development of the ForageFeeder, an open-source automated gorilla feeder.
  • Design allows for dispensing of large food pieces (cut vegetables and fruits).
  • Food is distributed at random intervals throughout the day.

Main Results:

  • The ForageFeeder successfully automates feeding for gorillas.
  • The device is open-source, facilitating manufacturing and modification for zoos.
  • Potential to reduce staff workload and provide behavioral enrichment.

Conclusions:

  • The ForageFeeder offers a viable solution for automated gorilla feeding in captivity.
  • This innovation can enhance gorilla welfare by promoting natural behaviors.
  • The open-source design promotes accessibility and further research in animal ethology.