Feeding Competition and Agonistic Relationships Among Bwindi Gorilla beringei
Bibliographic Data
| ID | 11278705 |
|---|---|
| Authors | M M Robbins (0000-0002-6037-7542, Max Planck Society, corresponding author) |
| Year | 2008 |
| Volume | 29 |
| Issue | 4 |
| Pages | 999-1018 |
| Publication date | 2008-08-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Primatology (JOURNAL) |
| Journal identifiers | ISSN: 0164-0291 • E-ISSN: 1573-8604 |
| Publisher | Springer Science and Business Media LLC (PUBLISHER) |
| DOI | 10.1007/s10764-008-9275-4 |
| OpenAlex | W2137691685 |
| Language | EN |
| Citations received | 21 |
| References cited | 70 |
Testing predictions of socioecological models, specifically that the types of feeding competition and social relationships female primates exhibit are strongly influenced by the distribution, density, and quality of food resources, requires studies of closely related populations of subjects living under different ecological conditions. I examined feeding competition and the resulting female social relationships in mountain gorillas (Gorilla beringei beringei) of Bwindi Impenetrable National Park, Uganda, which has ecological conditions distinctive from those where other gorilla populations live. I observed 1 group of gorillas for 29 mo to examine the proportion of time spent foraging on fruit, the relationship between patch size and occupancy patterns of fruit trees, and agonistic interactions. Patch occupancy time while foraging in fruit trees decreased with increasing number of gorillas in a tree and decreasing tree size, suggesting that fruit trees represent limiting patches and can lead to intragroup scramble competition. Gorillas exhibited higher levels of aggression while feeding on fruit versus other food resources, which indicates intragroup contest competition. I observed a linear dominance hierarchy with no bidirectionality via displacements, and a similar hierarchy via aggression, though a notable proportion of the dyads contained 2-way interactions. However, most aggression was of low intensity (vocalizations) and the recipient typically ignored it. Despite differences in ecological conditions and diet between the Virunga Volcanoes and Bwindi, agonistic relationships among females are largely similar in the 2 populations and are best characterized as dispersal individualistic
Aggression · Agonistic behaviour · Animal ecology · Biological dispersal · Biology · Dominance hierarchy · Foraging · Frugivore · Gorilla · Habitat · Intraspecific competition · National park · Philopatry · Pongidae · Population · Scramble competition · Territoriality · Zoology · Animal Behavior and Reproduction · Animal Vocal Communication and Behavior · Demography · Primate Behavior and Ecology · Psychology · Social Psychology · Ecology
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| Unique citing works | 21 |
|---|---|
| Citations per year | 1,17 |
| Citation span | 2008 - 2024 (17) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 19 |