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ESM 1: Example of pictures from three small-clawed otter male subjects used as visual stimuli Social partner discrimination based on sounds and scents in Asian small-clawed otters ( Aonyx cinereus ), Naturwissenschaften ,
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ESM 1: Example of pictures from three small-clawed otter male subjects used as visual stimuli • Social partner discrimination based on sounds and scents in Asian small-clawed otters(Aonyxcinereus), Naturwissenschaften, • Lemasson, Mikus, Blois-Heulin, Lodé; Animal and Human Ethology lab, Rennes 1 University (France), alban.lemasson@univ-rennes1.fr Those pictures were used as social visual stimuli to simulate the presence of a familiar or unfamiliar male in the enclosure of the female subject. Animals displayed comparable postures (body showing its right side with head facing). Images were printed on HD paper at 1:1 size ratio, cut to shape and mounted on a stand-alone cardboard cut-out.