Author(s): Teichroeb JA; Fox SA; Samartino S; Wikberg EC; Sicotte P;

Rare behaviors are often missing from published papers, hampering phylogenetic analyses. Here, we report, for the first time, masturbation and same-sex sexual behavior (SSB) in both male and female black-and-white colobus monkeys. We recorded these behaviors during 32 months of observation (1573 h of focal animal sampling) on Colobus vellerosus collected ...

Article GUID: 36849676

Author(s): Wikberg EC; Gonzalez S; Rodriguez C; Sicotte P;

Cooperative home range defense is common in primates, despite a collective action problem that arises when group members benefit from winning the intergroup encounter regardless of whether they participate. The costs associated with this collective action problem may be mitigated by residing in small groups, residing with kin, or by forming strong bonds w ...

Article GUID: 34927751