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Related Experiment Video

Updated: Apr 24, 2026

Radio Frequency Identification and Motion-sensitive Video Efficiently Automate Recording of Unrewarded Choice Behavior by Bumblebees

Radio Frequency Identification and Motion-sensitive Video Efficiently Automate Recording of Unrewarded Choice Behavior by Bumblebees

Published on: November 15, 2014

Individual differences in decision making by foraging hummingbirds.

Kate V Morgan¹, T Andrew Hurly², Susan D Healy¹

¹School of Biology, University of St Andrews, Harold Mitchell Building, St Andrews KY16 9TH, Fife, Scotland, UK.

Behavioural Processes

|September 3, 2014

Summary

Wild hummingbirds altered their food preference when presented with a less attractive option. Individual consistency suggests unique decision-making, not solely energy or decoy effects.

Keywords:

Asymmetrically dominated decoy Context-dependent choice Decision making Foraging Hummingbird Individual differences

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Last Updated: Apr 24, 2026

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Area of Science:

Animal behavior
Cognitive ecology
Foraging behavior

Background:

Decision-making in animals can be context-dependent.
Changes in preference may stem from comparative choices or altered energy states.

Purpose of the Study:

To investigate how wild hummingbirds respond to the introduction of a decoy option.
To determine if preference changes are due to comparative decision-making or energy state.

Main Methods:

Presented Rufous hummingbirds with foraging choices in binary and trinary (including a decoy) options.
Two treatments varied the concentration options available.
Observed changes in preference when inferior options were added.

Main Results:

Hummingbirds shifted preferences when a poorer option was introduced.
Preference changes were not fully explained by energy maximization or a simple decoy effect.
Individual hummingbirds showed consistent response patterns.

Conclusions:

Context-dependent decision-making in hummingbirds is influenced by factors beyond simple decoy effects.
Individual consistency suggests a unique contribution to decision-making processes.
Further research is needed to fully understand the mechanisms driving these context-dependent choices.