Titel	Veröffentlichungsdatum	Sprache	Zitate
Altitudinal and seasonal variations in the diet of Japanese macaques in Yakushima	2003/01/01	English	41
Seasonal variation in association patterns of wild spider monkeys (Ateles belzebuth belzebuth) at La Macarena, Colombia	2003/02/19	English	40
Influence of the landscape matrix on the abundance of arboreal primates in fragmented landscapes	2011/01/06	English	40
Comparative morphology of the hyo-laryngeal complex in anthropoids: two steps in the evolution of the descent of the larynx	2003/01/01	English	39
How does stone-tool use emerge? Introduction of stones and nuts to na�ve chimpanzees in captivity	2004/09/17	English	39
Sleeping sites of Rhinopithecus bieti at Mt. Fuhe, Yunnan	2004/07/27	English	39
The type locality of Pan troglodytes vellerosus (Gray, 1862), and implications for the nomenclature of West African chimpanzees	2008/11/27	English	38
Seasonal variation of diet and time budget of Eastern hoolock gibbons (Hoolock leuconedys) living in a northern montane forest	2012/11/29	English	38
Reproductive failure, possible maternal infanticide, and cannibalism in wild moustached tamarins, Saguinus mystax	2011/02/17	English	38
Cumulative culture in nonhumans: overlooked findings from Japanese monkeys?	2017/12/27	English	38
Into the night: camera traps reveal nocturnal activity in a presumptive diurnal primate, Rhinopithecus brelichi	2012/07/29	English	37
Demographic influences on the behavior of chimpanzees	2005/11/09	English	37
Status and distribution pattern of black crested gibbon (Nomascus concolor jingdongensis) in Wuliang Mountains, Yunnan, China: implication for conservation	2006/02/28	English	37
Fruit availability and chimpanzee party size at Kahuzi montane forest, Democratic Republic of Congo	2004/06/23	English	36
Feeding rate as valuable information in primate feeding ecology	2009/02/11	English	36
Response facilitation in the four great apes: is there a role for empathy?	2013/08/24	English	36
Interspecific primate associations in Amazonian flooded and unflooded forests	2009/02/26	English	36
Intergroup variation in robbing and bartering by long-tailed macaques at Uluwatu Temple (Bali, Indonesia)	2017/05/17	English	36
Variation in vervet (Chlorocebus aethiops) hair cortisol concentrations reflects ecological disturbance by humans	2015/08/29	English	35
Effects of vegetation type on habitat use by crop-raiding Japanese macaques during a food-scarce season	2010/01/09	English	35
How fruit abundance affects the chimpanzee party size: a comparison between four study sites	2003/02/18	English	34
Do chimpanzees (Pan troglodytes schweinfurthii) exhibit sleep related behaviors that minimize exposure to parasitic arthropods? A preliminary report on the possible anti-vector function of chimpanzee sleeping platforms	2012/09/26	English	34
Survey of black howler (Alouatta pigra) and spider (Ateles geoffroyi) monkeys in the Mayan sites of Calakmul and Yaxchilán, Mexico and Tikal, Guatemala	2003/10/29	English	34
Muscle dimensions in the chimpanzee hand	2005/09/06	English	34
On the possible adaptive value of coprophagy in free-ranging chimpanzees	2004/04/01		33
Social monogamy, male–female relationships, and biparental care in wild titi monkeys (Callicebus discolor)	2015/09/19	English	33
Elephant behavior toward the dead: A review and insights from field observations	2019/11/11	English	33
The trade balance of grooming and its coordination of reciprocation and tolerance in Indonesian long-tailed macaques (Macaca fascicularis)	2008/06/11	English	33
A more detailed seasonal division of the energy balance and the protein balance of Japanese macaques (Macaca fuscata) on Kinkazan Island, northern Japan	2007/11/20	English	33
Foraging strategies of black-fronted titi monkeys (Callicebus nigrifrons) in relation to food availability in a seasonal tropical forest	2016/08/02	English	32