Page 57 - BBC Wildlife Volume 36 #12
P. 57

WILDNEWS






                                               MEET THE SCIENTIST



                                               MeganPetersdorf




                                               PhD candidate, New York University, USA





                Baboons are infamously                         Megan says fieldwork is
                aggressive, but not all                        the best part of being
                                                               a primatologist. Below:
                of the Papio species                           the kinda baboon is
                exhibit this behaviour.                        found in Angola, Zambia
                                                               and the Congo.
                Megan Petersdorf studies

                a baboon that uses
                friendliness as a tactic
                to get ahead in life.





                            riendships between
                            male and female
                            baboons are widespread
                            among the six baboon
                            species, but in the
               Fkinda baboon these
                friendships are male-driven and
                last for a long time.
                  Megan Petersdorf, a primatology
                PhD candidate from New York
                University, has spent the past 10            S  Kinda baboons appear                                  The mating system of other
                years studying these large primates             to have more in common                             baboon species differs because
                across Africa. Her current research                                                                it is influenced by an alpha male
                is focused on a species that shows              with modern humans.                       T        position that males compete
                a gentler side – the aptly named                                                                   for. There is also more sexual
                kinda baboon, which she studies                                                                    dimorphism (males are larger than
                in Zambia at the Kasanka Baboon                                                                    females and have longer canines).
                project (KBP).                            investment in physical fighting –                           According to Petersdorf, kinda
                  “In all of my fieldwork, I have         and has noticed more investment                          baboons appear to have more in
                never seen a male kinda baboon            in sperm competition (exhibited                          common with modern humans
                show aggression towards a female,”        by larger testes size).                                  than other baboon species, such as
                says Petersdorf. “This is in stark          “If being the alpha male does                          unique male-female relationships.
                comparison to what you see                not help you achieve mating                                 Petersdorf says, “Comprehending
                in other baboons.”                        success, then males may not                              how evolution has led to these
                  Unlike other baboon species,            compete for this position, and                           differences may help us to
                male kinda baboons rarely fight           use other tactics,” she says.                            understand how similar conditions
                with the opposite sex. “Instead,            Long-term data from KBP                                played a role in the human lineage.”
                they appear to gain reproductive          also suggests a difference                                  To study mating systems among
                opportunities by being nice to            in male dominance rank                                   baboons, Petersdorf spends long
                females,” she explains.                   acquisition: “When a                                     periods of time observing and
        Main: Jordan Sweeting; kinda baboons: Megan Petersdorf  males maintain good relationships  over the alpha position.  wilderness. “Someone once told me
                                                          new male enters the
                  Interestingly, this friendliness
                                                                                                                   documenting their behaviour
                is sustained: “In kinda baboons,
                                                          troop, he does not fight
                                                                                                                   while living in a tent in the African
                                                          Instead, he joins the
                                                                                                                   I would never make it in fieldwork
                with females throughout the year,
                                                          dominance
                not just when they want to mate.”
                                                                                                                   because I was too feminine,” she
                  Petersdorf is finding out
                                                          hierarchy at
                                                                                                                   says. “Yet here I am.” Niki Rust
                how such male behaviour has
                                                          the bottom
                influenced their mating system.
                                                          and rises
                                                                                                                    FIND OUT MORE Read about
                She has observed that kinda
                                                          in rank over
                                                                                                                   Megan's paper, The reproductive
                baboons have smaller degrees of
                sexual dimorphism – meaning less
                                                                                                                   baboon, at: meganpetersdorf.com
            December 2018                                 time.”                                                   ecology of the little-known kinda       57
                                                                                                                                           BBC Wildlife
   52   53   54   55   56   57   58   59   60   61   62