Funding for this research was provided by:
The Rufford Foundation
Pew Charitable Trusts (0025864)
Consejo Superior de Investigaciones CientÃficas (CSIC-201330E062)
Article History
Received: 27 January 2018
Accepted: 16 September 2018
First Online: 24 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.