“…Robinson (1981) found that wedge-capped capuchins (Cebus olivaceus) increased vigilance with increasing distance to nearest neighbor; conversely, Suzuki and Sugiura (2011) reported vigilance increased as distance to nearest group member decreased in Japanese macaque (Macaca fuscata) adult females. Baldellou & Henzi (1992), Busia et al (2016), de Ruiter (1986, Fragaszy (1990), Gould et al (1997), Isbell & Young (1993), Rose & Fedigan (1995), Steenbeek et al (1999), Stojan-Dolar & Heymann (2010) a , Treves (1998Treves ( , 1999c, van Schaik & van Noordwijk (1989), Watson et al (2015) No difference between sexes Cowlishaw (1998), Gould (1996), Gould et al (1997), Macintosh & Sicotte (2009), Smith, Kelez & Buchanan-Smith (2004, Teichroeb & Sicotte (2012), Treves (1998) Dominance Subordinates more vigilant than dominants Alberts (1994) b , Caine & Marra (1988), Gaynor & Cords (2012), Haude et al (1976), Keverne et al (1978), Pannozzo et al (2007) High-ranking individuals more vigilant Alberts (1994) c , Gould (1996), Gould et al (1997), Isbell & Young (1993), Rose & Fedigan (1995), Watson et al (2015) No effect of rank Robinson (1981) Adult females with Infants…”