[PDF][PDF] A comparative approach to the phylogeny of laughter and smiling
J Van Hooff - Nonverbal communication, 1972 - researchgate.net
A comparative study of the facial displays of the higher primates (van Hooff, 1967) put forward
the hypothesis that laughter and smiling could be conceived as displays with a different …
the hypothesis that laughter and smiling could be conceived as displays with a different …
[PDF][PDF] The market effect: an explanation for pay-off asymmetries among collaborating animals.
R Noë, CP Van Schaik, J Van Hooff - Ethology. Berlin, Hamburg, 1991 - researchgate.net
and Ethologie en Socio-oecologie, Faculteit Biologie, Unversiteit Utrecht Page 1 Ethology 87,
97–118 (1991) G 1991 Paul Parey Scientific Publishers, Berlin and Hamburg ISSN 0179-1613 …
97–118 (1991) G 1991 Paul Parey Scientific Publishers, Berlin and Hamburg ISSN 0179-1613 …
Age-sex class differences in the positional behaviour of the Sumatran orang-utan (Pongo pygmaeus abelii) in the Gunung Leuser National Park, Indonesia
J Sugardjito, J Van Hooff - Folia Primatologica, 1986 - brill.com
During a three-year field study of the socio-ecology of Sumatran orang-utans, their use of
the canopy was investigated in the Gunung Leuser National Park, Indonesia. This paper …
the canopy was investigated in the Gunung Leuser National Park, Indonesia. This paper …
A case of the adoption of an infant chimpanzee by a suckling foster chimpanzee
TW Palthe, J Van Hooff - Primates, 1975 - Springer
Chimpanzees in captivity have grown up in a rather unnatural social environment and there
frequently are problems when they have to nurse their own offspring. It is most remarkable …
frequently are problems when they have to nurse their own offspring. It is most remarkable …
Harassment of sexual interactions among stumptail macaques, Macaca arctoides
B Drukker, K Nieuwenhuijsen, JJVW ten Bosch… - Animal behaviour, 1991 - Elsevier
Behavioural and endocrine parameters were studied in a large colony of stumptail
macaques. This paper deals with harassment behaviour during copulation, and its possible …
macaques. This paper deals with harassment behaviour during copulation, and its possible …
On the ethology of pain, its experience and expression
J Van Hooff - New Developments in Biosciences: Their Implications …, 1988 - Springer
The question whether animals experience pain has found different answers. The question
cannot be answered in as far as it deals with the aspect of subjective experience; this is …
cannot be answered in as far as it deals with the aspect of subjective experience; this is …
[PDF][PDF] MACHT: EEN VERGELIJKEND-ETHOLOGISCHE BENADERING
J van Hooff - NIEUWE REEKS NO. 79 - natuurwetenschappen-diligentia.nl
Het despotische samenlevingsmodel ln 1932 pubhceerde een Engelse zoöloog, de latere
Sh Solly Zuckerman, een boek getiteld" The Social Life of Monkeys and Apes". Het was …
Sh Solly Zuckerman, een boek getiteld" The Social Life of Monkeys and Apes". Het was …
[PDF][PDF] Author Index Vol. 71, No. 4, 2000
J van Hooff, D Formenti, BL Deputte, C Giacoma… - Folia …, 2000 - karger.com
Author Index Vol. 71, No. 4, 2000 Page 1 ESTI:B74:ZFPRI71AT4.76 FF: W1PP E1: 71X4 TY: B
Author Index Vol. 71, No. 4, 2000 Adenzato, M. 284 Adler, HJ 189 Ampollini, M. 282 Andrès …
Author Index Vol. 71, No. 4, 2000 Adenzato, M. 284 Adler, HJ 189 Ampollini, M. 282 Andrès …
[CITAAT][C] In grote lijnen: Thema's in de natuurwetenschappen
J Weerdenburg, HNA Priem… - Studium …, 1996 - Studium Generale–Universiteit …
[CITAAT][C] Groepsagressie en oorlog, een vergelijkende oecoethologische benadering
J Hooff - Oorlog: multidisciplinaire beschouwingen. Hoogezand …, 1990
