Takeda, Kohei F.
Hiraiwa-Hasegawa, Mariko
Kutsukake, Nobuyuki
Article History
Received: 3 August 2017
Revised: 13 March 2018
Accepted: 20 March 2018
First Online: 28 March 2018
Compliance with ethical standards
:
: All observation protocols were approved by the Animal Care and Use Committees at The Graduate University for Advanced Studies (SOKENDAI) and adhered to the Guidelines for the Use of Animals of the Association for the Study of Animal Behaviour/Animal Behavior Society. This research was performed with permission from the Akan International Crane Center.
: The authors declare that they have no competing interests.