A male fairy-wren’s low pitch song indicates body size, a new international study has shown.
Fuente : http://www.eurekalert.org/pub_releases/2013-02/uom…
A male fairy-wren’s low pitch song indicates body size, a new international study has shown.
Fuente : http://www.eurekalert.org/pub_releases/2013-02/uom…