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Mastozoología neotropical
versión impresa ISSN 0327-9383versión On-line ISSN 1666-0536
Resumen
MORO-RIOS, Rodrigo F; MEYER, Andreas L. S; SILVA-PEREIRA, José E y LUDWIG, Gabriela. Examining individual risk-taking in Leontopithecus caissara (Primates, Callitrichidae): group order when arriving at and departing from sleeping sites. Mastozool. neotrop. [online]. 2018, vol.25, n.2, pp.479-483. ISSN 0327-9383.
Monkey groups travel in line, exposing individuals to differential risks according to their position. We recorded events of arriving and departing from the sleeping site in a group of Leontopithecus caissara to investigate how the highest risk position is shared among group-mates during those events. We found the dominant male was the first to arrive and depart from the tree hole on most occasions. This finding suggests that the dominant adult male assumed higher risks and played a differential role in predator defense, possibly creating direct benefits for subordinate individuals to stay in the group.
Palabras clave : Individual roles; Mobbing; Predator avoidance; Sleeping sites; Social structure.