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Repeatable colour preferences predict information use in nest-building birds
Benjamin A Whittaker1, Henry R Swartwood García1,2, Simran K Gill1
1Department of Psychology, University of Alberta, Edmonton, AB, T6G 2R3, Canada.
Learning & Behavior
|July 21, 2026
Summary
Individual zebra finches show stable color preferences for nest building. These preferences influence how birds learn and use information, highlighting variation in animal decision-making.
Area of Science:
- Animal Behavior
- Evolutionary Biology
- Neuroscience
Background:
- Individual variation in animal color preferences challenges assumptions of uniform responses.
- The stability and consequences of these preferences are not well understood.
Purpose of the Study:
- To investigate individual color preferences in zebra finches (Taeniopygia guttata) for nest-building materials.
- To determine if stable individual preferences affect social information use in decision-making.
Main Methods:
- Laboratory-raised zebra finches were tested for color preferences (pink vs. orange string) without external cues.
- Published social-learning datasets were reanalyzed to assess the influence of initial preferences on information use.
Main Results:
- Zebra finches exhibited stable, repeatable individual differences in color preference strength.
- Stronger initial color preferences correlated with reduced adoption of socially learned, non-preferred colors.
Conclusions:
- Stable individual preferences are a significant, underappreciated factor in animal information acquisition and decision-making.
- This variation influences how animals respond to environmental and social information.
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