Titel	Veröffentlichungsdatum	Sprache	Zitate
Distribution of potential suitable hammers and transport of hammer tools and nuts by wild capuchin monkeys	2009/01/28	English	54
Not only annual food abundance but also fallback food quality determines the Japanese macaque density: evidence from seasonal variations in home range size	2006/01/24	English	53
Affiliation promotes the transmission of a social custom: handclasp grooming among captive chimpanzees	2005/09/03	English	53
Age differences in food intake and dietary selection of wild male Japanese macaques	2003/10/01		53
Food transfer between chimpanzee mothers and their infants	2004/07/03	English	53
Diet and activity in black howler monkeys ( Alouatta pigra ) in southern Belize: does degree of frugivory influence activity level?	2004/04/01		51
Hierarchy and social status in Budongo chimpanzees	2004/04/01		51
Seasonal changes in general activity, body mass and reproduction of two small nocturnal primates: a comparison of the golden brown mouse lemur ( Microcebus ravelobensis ) in Northwestern Madagascar and the brown mouse lemur ( Microcebus rufus ) in Eastern Madagascar	2003/10/01		50
Copulation behavior within one-male groups of wild Rhinopithecus roxellana in the Qinling Mountains of China	2007/01/12	English	50
Muscle architecture of the common chimpanzee (Pan troglodytes): perspectives for investigating chimpanzee behavior	2006/01/28	English	48
Ant fishing by wild chimpanzees is not lateralised	2006/11/15	English	48
Comparative and functional anatomy of phalanges in Nacholapithecus kerioi , a Middle Miocene hominoid from northern Kenya	2003/10/01		47
Density and population estimate of gibbons (Hylobates albibarbis) in the Sabangau catchment, Central Kalimantan, Indonesia	2007/09/26	English	47
Behavioral modifications in northern bearded saki monkeys (Chiropotes satanas chiropotes) in forest fragments of central Amazonia	2009/09/12	English	47
How costly are ejaculates for Japanese macaques?	2006/02/09	English	46
Positional behavior of free-ranging Japanese macaques (Macaca fuscata)	2003/01/01	English	45
First indications of a highland specialist among mouse lemurs (Microcebus spp.) and evidence for a new mouse lemur species from eastern Madagascar	2011/12/24	English	45
Preference for consonant music over dissonant music by an infant chimpanzee	2009/07/22	English	45
When play is a family business: adult play, hierarchy, and possible stress reduction in common marmosets	2010/11/25	English	45
Dietary adaptations of temperate primates: comparisons of Japanese and Barbary macaques	2011/02/22	English	44
Benefiting friends or dominants: prosocial choices mainly depend on rank position in long-tailed macaques (Macaca fascicularis)	2011/03/18	English	43
A simple alternative to line transects of nests for estimating orangutan densities	2005/06/28	English	43
Gibbons under seasonal stress: the diet of the black crested gibbon (Nomascus concolor) on Mt. Wuliang, Central Yunnan, China	2008/11/21	English	43
Survey of gorillas ( Gorilla gorilla gorilla ) and chimpanzees ( Pan troglodytes troglodytes ) in Southwestern Cameroon	2004/01/01		42
Fruiting and flushing phenology in Asian tropical and temperate forests: implications for primate ecology	2013/01/25	English	42
When does play panting occur during social play in wild chimpanzees?	2004/07/07	English	42
Visual search for orientation of faces by a chimpanzee (Pan troglodytes): face-specific upright superiority and the role of facial configural properties	2006/09/13	English	41
Indices of environmental temperatures for primates in open habitats	2004/01/01		41
Predation of wild spider monkeys at La Macarena, Colombia	2007/03/07	English	41
The anthropogenic environment lessens the intensity and prevalence of gastrointestinal parasites in Balinese long-tailed macaques (Macaca fascicularis)	2010/12/17	English	41