Hardness of cercopithecine foods
Implications for the critical function of enamel thickness in exploiting fallback foods
Bibliographic Data
| ID | 8313264 |
|---|---|
| Authors | J E Lambert (0000-0002-2849-3930, University of Oregon, corresponding author), Colin A Chapman (0000-0002-8827-8140, Wildlife Conservation Society), R W Wrangham (0000-0003-0435-2209, Harvard University), Nancy Lou Conklin‐Brittain |
| Year | 2004 |
| Volume | 125 |
| Issue | 4 |
| Pages | 363-368 |
| Publication date | 2004-12-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.10403 |
| PMID | 15386250 |
| OpenAlex | W2139432583 |
| Language | EN |
| Citations received | 120 |
| References cited | 23 |
We evaluate the hardness of foods consumed by sympatric Cercopithecus ascanius (redtail guenons) and Lophocebus albigena (grey‐cheeked mangabeys), and consider how selection might operate to influence foraging adaptations. Since L. albigena has among the thickest dental enamel in extant primates and is commonly referred to as a hard‐object consumer, we predicted that their diet would be harder than that of the guenon. Data on diet and food hardness (as measured by resistance to puncture and crushing) were collected between June–October of 1997 at Kibale National Park, Uganda, and were compared to similar data collected in Kibale between 1991–1994. Contrary to what we predicted, there was no difference in dietary hardness when the puncture resistance of all fruit consumed by the two species was compared (31 tree species in both study periods). However, in June–October 1997, L. albigena exploited a diet more resistant to puncture and crushing than C. ascanius . This difference is largely explained by the higher percentage of bark and seeds consumed by the L. albigena during this period. We suggest that it is the difference in the mechanical properties of fallback foods during critical periods that may have served as the selective pressure for thick enamel in L. albigena . Am J Phys Anthropol, 2004. © 2004 Wiley‐Liss, Inc
Biology · Enamel paint · Evolutionary biology · Extant taxon · Foraging · Sexual difference · Significant difference · Sympatric speciation · Zoology · Animal Vocal Communication and Behavior · Dentistry · Ecology · Mathematics · Medicine · Primate Behavior and Ecology · Psychology · Wildlife Ecology and Conservation
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| Unique citing works | 120 |
|---|---|
| Citations per year | 5 |
| Citation span | 2002 - 2026 (25) |
| Citation velocity | current |
| Highly cited | Yes |
| Citation types | Neutral: 116 |