About the Authors

Wan-chun Liu

liuw@mail.rockefeller.edu

Affiliation Laboratory of Animal Behavior, The Rockefeller University, New York, New York, United States of America

Kazuhiro Wada

Affiliation Division of Integrated Life Science, Hokkaido University, Sapporo, Hokkaido, Japan

Fernando Nottebohm

Affiliation Laboratory of Animal Behavior, The Rockefeller University, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WcL KW FN. Performed the experiments: WcL. Analyzed the data: WcL. Contributed reagents/materials/analysis tools: WcL KW. Wrote the paper: WcL FN.