Journal cover Journal topic
Primate Biology An international open-access journal on primate research
Primate Biol., 4, 101-106, 2017
https://doi.org/10.5194/pb-4-101-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Short communication
15 May 2017
Olive baboons' (Papio anubis) response towards crowned eagles (Stephanoaetus coronatus) at Lake Manyara National Park
Filipa M. D. Paciência1, Deusdedith Baluya2, Pay Mbaryo2, Sascha Knauf3, and Dietmar Zinner1 1Cognitive Ethology Laboratory, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
2Tanzania National Parks, P.O. Box 3134, Arusha, Tanzania
3Work Group Neglected Tropical Diseases, Pathology Unit, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
Abstract. In this paper we report on two encounters between olive baboons (Papio anubis) and crowned eagles (Stephanoaetus coronatus) at Lake Manyara National Park, northern Tanzania. During these encounters olive baboons responded by giving alarm calls and all infants and juveniles rushed down from trees seeking cover under bushes or close proximity to adult conspecifics. In one of the events, alarm calls from banded mongoose (Mungos mungo) and rock hyraxes (Procavia capensis) most likely triggered alarm calling of vervet monkeys (Chlorocebus pygerythrus) which in turn prompted baboons to respond with alarm calls as well. In both observations, adult male baboons took the lead in climbing trees, threatening the eagle (staring, yawning, ground slapping) and chasing it away. The reaction of the baboons suggests that crowned eagles pose a threat at least for juvenile baboons at Lake Manyara National Park.

Citation: Paciência, F. M. D., Baluya, D., Mbaryo, P., Knauf, S., and Zinner, D.: Olive baboons' (Papio anubis) response towards crowned eagles (Stephanoaetus coronatus) at Lake Manyara National Park, Primate Biol., 4, 101-106, https://doi.org/10.5194/pb-4-101-2017, 2017.
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Short summary
Here we report two encounters between olive baboons (Papio anubis) and crowned eagles (Stephanoaetus coronatus), a potential predator, at Lake Manyara National Park, Tanzania. On both events, baboons gave alarm calls while infants got close to adults and juveniles ran to cover. Adult males approached the eagles and chased them away. The baboons’ reactions indeed support the assumption that crowned eagles pose a threat, at least for juvenile baboons.
Here we report two encounters between olive baboons (Papio anubis) and crowned eagles...
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