(e) Acknowledgements
C. Wertin, N. Bunn, and K. Paulling helped with logistics. UCSC ethics
committee (IACUC) and CDFG provided permits for carrying out this
investigation. NSF and Spanish Ministerio de Economía y Competitividad
provided financial support (EEBB-I-14-08326 to RM-P and EF-1241848 to
BS). RM-P enjoys a postdoctoral contract (CEECIND/04084/2017) by ICETA
– Instituto de Ciências, Tecnologias e Agroambiente da Universidade do
Porto and Fundação da Ciência e Tecnologia.