… Plate V The relaxed open-mouth face is shown by the … (photograph e) The male still
showing staring open-mouth … that aggressive behaviour (eg staring open-mouth face) on the …

… In contrast, in species with a more relaxed dominance style, … A), we coded every behavioral
change produced by each … (lip corner puller) + 25 (lips parted) or by the combination of AU10 …

… Relaxed open-mouth display (ROM) A sea lion opens and … Upper and lower teeth may be
exposed and visible, vibrissae … Only those subjects showing at least one session per condition …

… The differential attention towards certain expressions might … looked longest at videos
showing agonistic interactions of … SBT (silent bared-teeth display), ROM (relaxed open mouth …

… Open mouth displays are defined as one dolphin’s mouth … with relaxed dominance systems,
the silent bared teeth display … Concomitant behavioral analyses of silent bared teeth display …

… teeth covered and lower lip relaxed (“relaxed open mouth … avoid behavioral alteration from
observer or competitor effects … of sound should be differentiated rather than disregarded. In …

… of smiling – the silent bared-teeth display – is observed among … – the relaxed open-mouth
display (with or without teeth showing) – … For each behaviour category, we calculated a rate by …

… , along with the silent-bared-teeth display, can be expressed … a Picture showing two subadult
playmates displaying rapid … configurations of the relaxed open-mouth display (Palagi 2018). …

… behavioral patterns between the playmates, infants’ Play Face emerges (the mouth is widely
opened in a relaxed mood with lower teeth… macaque species showing an intermediate level …

… the upper teeth, and the mouth appears open and relaxed. … produce dramatically different
social behavioral outcomes. … -by-side video screens showing a conspecific making each of …