About the Authors

Paul M. Regular

paul.regular@mun.ca

Affiliation Cognitive and Behavioural Ecology Program, Psychology Department, Memorial University, St. John's, Newfoundland and Labrador, Canada

April Hedd

Affiliation Cognitive and Behavioural Ecology Program, Psychology Department, Memorial University, St. John's, Newfoundland and Labrador, Canada

William A. Montevecchi

Affiliation Cognitive and Behavioural Ecology Program, Psychology Department, Memorial University, St. John's, Newfoundland and Labrador, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PMR AH WAM. Performed the experiments: PMR AH WAM. Analyzed the data: PMR. Contributed reagents/materials/analysis tools: PMR AH WAM. Wrote the paper: PMR AH WAM.