Group composition in wild and commensal hamadryas baboons: A comparative study in Saudi Arabia

Biquand, Sylvain; Biquand-Guyot, Véronique; Boug, Ahmed; Gautier, Jean‐Pierre

doi:10.1007/bf02547831

Cited by 23 publications

(19 citation statements)

References 5 publications

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“…The daily path lengths of band 1 are comparable to those reported by Sigg and Stolba [1981] at Erer Gota: 8.6 km for band 1 (n = 57) and 10.4 for band 2 (n = 13). Daily paths ranged from 1.04 to 14.03 km in Saudi Arabia, but no mean was reported [Biquand et al, 1992;Boug et al, 1994]. It should be noted that my results are most similar to those of Sigg and Stolba [1981], the study with the largest sample size.…”

Section: Ranging Patternsmentioning

confidence: 41%

“…While band 1 at Filoha consists of approximately 200 baboons and band 3 of about 400 baboons [Swedell 2002b[Swedell , 2006Schreier and Swedell, 2008], band sizes at other hamadryas sites ranged from 30 to 100 individuals (Erer Gota, Ethiopia [Kummer, 1968;Sigg and Stolba, 1981;Abegglen, 1984]; Awash River, Ethiopia [Nagel, 1973]; Saudi Arabia [Kummer et al, 1981;Biquand et al, 1992]; Yemen [Al-Safadi, 1994]). An increase in group size is expected to increase the distance group members must travel each day in order to meet their energetic and nutritional requirements [Eisenberg et al, 1972;Altmann, 1974;Chapman and Chapman, 2000], and thus comparisons of daily path lengths across sites with different band sizes may obscure the role that palm fruit plays on ranging patterns at Filoha.…”

Section: Ranging Patternsmentioning

confidence: 99%

“…Saudi Arabia [Kummer et al, 1981;Biquand et al, 1992]; Yemen [Al-Safadi, 1994]), and this has been attributed to the high availability of doum palm fruit at Filoha [Swedell, 2002b[Swedell, , 2006. Despite the apparent abundance of food resources at Filoha (i.e.…”

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confidence: 99%

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Feeding Ecology, Food Availability and Ranging Patterns of Wild Hamadryas Baboons at Filoha

Schreier¹

2010

IJFP

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Most hamadryas baboons rely on Acacia species for subsistence in their semidesert habitats. Unlike other hamadryas sites, palm forests at Filoha in Awash National Park, Ethiopia, provide the baboons with a preferred food resource close to a commonly used sleeping site. The baboons are expected to feed on doum palm trees when fruit is available, and this resource use should play a role in ranging patterns. This paper describes the feeding ecology, food availability and ranging patterns of a band of wild hamadryas baboons at Filoha from March 2005 to February 2006. Data on feeding and ranging behavior derive from band scans during all-day follows of baboons, and data on food availability derive from monthly phenological monitoring of frequently consumed food species. The baboons fed predominantly on palms when fruit was available, and preferred the flowers of Acacia senegal to its leaves. There was no relationship between daily path length and the proportion of palm fruit in the baboons’ diet, but changes in the availability of fruit across the Filoha region appear to mirror the baboons’ shifting use of its home range. The large band sizes at Filoha may obscure the effects doum palm fruit might have on ranging patterns.

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Section: Ranging Patternsmentioning

confidence: 41%

Section: Ranging Patternsmentioning

confidence: 99%

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Feeding Ecology, Food Availability and Ranging Patterns of Wild Hamadryas Baboons at Filoha

Schreier¹

2010

IJFP

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“…Filoha is therefore not the only site where hamadryas baboons form groups of 200 individuals or more. Erer Gota, Ethiopia [1] Erer Gota, Ethiopia [15] Erer Gota, Ethiopia [10] Awash Station Ethiopia [13] Saudi Arabia [5] Saudi Arabia [20,23] [20]), but it is as large or larger than home ranges for other hamadryas populations in Ethiopia (28 km 2 at Erer Gota [15]). A larger home range size for the Filoha population would not be surprising, as group sizes at Filoha are larger as well and socioecological theory would predict a positive relationship between group size and home range size, a pattern that generally holds among primates [21].…”

Section: Dietmentioning

confidence: 99%

“…A larger home range size for the Filoha population would not be surprising, as group sizes at Filoha are larger as well and socioecological theory would predict a positive relationship between group size and home range size, a pattern that generally holds among primates [21]. Unfortunately, comparative data from other hamadryas sites are currently limited to the above two, as Kummer [1] and Nagel [13] did not report home range sizes; Abegglen [10] did not follow his study group away from the sleeping sites; and Kummer et al [5], Biquand et al [22,23], Al-Safadi [4] and Zinner et al [3,19] conducted only surveys and so did not report ranging data (table 1).…”

Section: Dietmentioning

confidence: 99%

Ranging Behavior, Group Size and Behavioral Flexibility in Ethiopian Hamadryas Baboons (Papio hamadryas hamadryas)

Swedell¹

2002

IJFP

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This study reports group size, home range size, daily path lengths, seasonal effects on ranging behavior and qualitative information on diet for a population of hamadryas baboons inhabiting the lowlands of the northern Rift Valley in central Ethiopia. The minimum home range size and daily path length for this population are similar to those reported for other populations of hamadryas baboons in Ethiopia and Saudi Arabia. Group sizes, however, are much larger than those in most other hamadryas populations for which published data are available. The large group sizes in this area may be related to the abundance of one food resource in particular, doum palm nuts. Overall, this study suggests that hamadryas baboons may be more flexible in some aspects of their behavioral ecology (e.g. group size) than in others (e.g. ranging behavior).

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One-male units and clans in a colony of hamadryas baboons (Papio hamadryas hamadryas): effect of male number and clan cohesion on feeding success

2006

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In the multilevel societies of hamadryas baboons, adult males can be attached to single one-male units (OMUs) or to clans containing several such OMUs. This paper examines the effect of male number and rivalry between males within a clan on their ability to compete for access to a clumped food resource. The data come from a study of a multilevel colony of hamadryas baboons (Papio hamadryas hamadryas) housed at the Madrid Zoo. The colony consisted of 12 harem-holding males and 40 sexually mature females, and was organized into five single OMUs and two clans (containing three and four OMUs, respectively). The top-ranking male of one of the clans was removed and later reintroduced, so the study involved an analysis of the composition of clans and OMUs and of the males' use of the feeding area across three study periods: preseparation, separation, and reintroduction. The findings reported indicate that both males and females derived clear advantages in the context of contest competition for access to clumped food if they were members of clans, because the males and females from large clans had a feeding advantage over those from smaller clans and single OMUs. Furthermore, rivalry among males within the clan reduced their ability to compete for food against males outside their clan. This paper provides empirical evidence for one of the potential advantages that hamadryas males may enjoy if they are attached to clans, and also provides empirical support for the general hypothesis that a large number of males in a group may provide fitness-related benefits to the group members, provided they are able to cooperate with each other.

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Group composition in wild and commensal hamadryas baboons: A comparative study in Saudi Arabia

Cited by 23 publications

References 5 publications

Feeding Ecology, Food Availability and Ranging Patterns of Wild Hamadryas Baboons at Filoha

Feeding Ecology, Food Availability and Ranging Patterns of Wild Hamadryas Baboons at Filoha

Ranging Behavior, Group Size and Behavioral Flexibility in Ethiopian Hamadryas Baboons (Papio hamadryas hamadryas)

One-male units and clans in a colony of hamadryas baboons (Papio hamadryas hamadryas): effect of male number and clan cohesion on feeding success

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