Title
Insectivory by **Gorilla gorilla gorilla** in southeast Cameroon Insectivory by **Gorilla gorilla gorilla** in southeast Cameroon
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
New York ,
Subject
Biology
Source (journal)
International journal of primatology. - New York
Volume/pages
24(2003) :3 , p. 493-502
ISSN
0164-0291
ISI
000182924300002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Our study extends quantitative analyses of insect-eating by gorillas ( Gorilla gorilla gorilla) to Cameroon. During a 2-mo period (May-June 2001), we recorded and analyzed feeding traces on plants and insects and in gorilla feces. We found 180 feeding traces, 17% of which involved insectivory. Seventy-eight percent of the fecal samples (n = 36) contained insects. Ants were found in 61% of the samples, termites in 39%, while 56% of the samples contained remains of other insects. We added, greater than or equal to14 new species to the known insect diet of western lowland gorillas. Overall, social insects are predominant. The choice of prey by the Ntonga gorillas gives new clues for the existence of cross-cultural differences among gorilla populations. A comparison of the overall frequency of insectivory with those at other sites in Central Africa indicate a possible effect of forest disturbance on the insectivorous behavior of gorillas. The study suggests the existence of temporal variation in ant- and termite-eating by gorillas.
E-info
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