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PLAY IN NONHUMAN PRIMATES: 1997 to date

Achenbach GG; Snowdon CT
Response to sibling birth in juvenile cotton-top tamarins
(Saguinus oedipus).
BEHAVIOUR 135(7): 845-862, 1998.

Albuquerque, F da S; Arruda, M de F
[Callithrix jacchus infants socialization in natural
environment.]
PRIMATOLOGIA NO BRASIL 6: 139-153, 1997.
(Portuguese w/ English summary)

Altmann SA
FORAGING FOR SURVIVAL: YEARLING BABOONS IN AFRICA.
Chicago, Univ of Chicago Press, 1998, xii, 609 pp..

Anaya-Heuertas C; Mondragon-Ceballos R
Social behavior of black-handed spider monkeys (Ateles
geoffroyi) reared as home pets.
INTERNATIONAL JOURNAL OF PRIMATOLOGY 19(4): 767-784, 1998.

Aureli, F; de Waal, F B M
Inhibition of social behavior in chimpanzees under
high-density conditions.
AMERICAN JOURNAL OF PRIMATOLOGY 41(3): 213-228, 1997.

Baker, K C
Straw and forage material ameliorate abnormal behaviors in
adult chimpanzees.
ZOO BIOLOGY 16(3): 225-236, 1997.

Bekoff M; Allen C
Intentional communication and social play: How and why
animals negotiate and agree to play. Pp. 97-114 in ANIMAL
PLAY: EVOLUTIONARY, COMPARATIVE, AND ECOLOGICAL
PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge Univ Press,
1998.

Bekoff, M and Byers, JA
ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND ECOLOGICAL
PERSPECTIVES. Cambridge, Cambridge Univ Press, 1998, xvi,
274.

Biben M
Squirrel monkey playfighting: Making the case for a
cognitive training function for play.
Pp. 161-182 in ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND
ECOLOGICAL PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge
Univ Press, 1998.

Boccia, M L; Scanlan, J M; Laudenslager, M L; Berger, C L;
Hijazi, A S; Reite, M L
Juvenile friends, behavior, and immune responses to
separation in bonnet macaque infants. PHYSIOLOGY AND
BEHAVIOR 61(2): 191-198, 1997.

Bond M; Watts E
Recommendations for infant social environment
Pp. 67-68 in ORANGUTAN SPECIES SURVIVAL PLAN HUSBANDRY
MANUAL. Sodaro C, ed. Atlanta, Orangutan SSP, 1997.

Box HO
Temperament and socially mediated learning among primates.
SYMPOSIA OF THE ZOOLOGICAL SOCIETY OF LONDON 72: 33-56,
1999.
(Book title: Mammalian Social Learning. ISBN 0521632633)

Brent L; Bramblett CA; Bard KA; Bloomsmith MA; Blangero J
The influence of siblings on wild infant chimpanzee social
interaction.
BEHAVIOUR 134(15-16): 1189-1210, 1997.

Brock D
Social interactions of a reintegrated hand-reared juvenile
chimpanzee (P. troglodytes) at the Little Rock Zoo.
CHIMPANZOO CONFERENCE PROCEEDINGS 1997: 1-5, 1998.

Brockelman WY; Reichard U; Treesucon U; Raemaekers JJ
Dispersal, pair formation and social structure in gibbons
(Hylobates lar).
BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY 42(5): 329-339, 1998.

Brockman DK
Reproductive behavior of female Propithecus verreauxi at
Beza Mahafaly, Madagascar.
INTERNATIONAL JOURNAL OF PRIMATOLOGY 20(3): 375-398, 1999.

Brown GR; Dixson AF
Investigation of the role of postnatal testosterone in the
expression of sex differences in behavior in infant rhesus
macaques (Macaca mulatta).
HORMONES AND BEHAVIOR 35(2): 186-194, 1999.

Brown S
Play as an organizing principle: Clinical evidence and
personal observations.
Pp. 243-259 in ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND
ECOLOGICAL PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge
Univ Press, 1998.

Byers JA
Biological effects of locomotor play: Getting into shape, or
something more specific?
Pp. 205-220 in ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND
ECOLOGICAL PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge
Univ Press, 1998.

Cabrera, J A
[Changes in play activity in infant and juvenile howler
monkeys (Alouatta seniculus).]
NEOTROPICAL PRIMATES 5(4): 108-111, 1997. (Spanish)

Caine NG
Cutting costs in response to predatory threat by Geoffroy's
marmosets (Callithrix geoffroyi). AMERICAN JOURNAL OF
PRIMATOLOGY 46(3): 187-196, 1998.

Calegaro-Marques, C; Bicca-Marques, J C
Allogrooming in wild black-and-gold howler monkeys, Alouatta
caraya.
AMERICAN JOURNAL OF PRIMATOLOGY 42(2) 98, 1997. (Abstract)

Cardinal, B R; Kent, S J
Behavioral effects of simple manipulable environmental
enrichment on pair-housed juvenile macaques (Macaca
nemestrina).
LABORATORY PRIMATE NEWSLETTER 37(1): 1-3, 1998.

Champoux, M; Higley, J D; Suomi, S J
Behavioral and physiological characteristics of Indian and
Chinese-Indian hybrid rhesus macaque infants. DEVELOPMENTAL
PSYCHOBIOLOGY 31(1): 49-63, 1997.

Clarke, A S; Schneider, M L
Effects of prenatal stress on behavior in adolescent rhesus
monkeys.
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES 807: 490-491,
1997.

de Alemar Gasper, D
Ecology and behavior of the brown howling monkey, Alouatta
fusca.
NEOTROPICAL PRIMATES 5(3): 80-81, 1997.

De Michelis S; De Trani CMP; Moisson P
Preliminary results on the behavioural development of three
new-born lemurs (Eulemur rubriventer, Eulemur macaco
flavifrons) at Mulhouse Zoo.
FOLIA PRIMATOLOGICA 70(4): 215-216, 1999. (Abstract)

de Oliveira DAG; Ades C
Proximity and grooming interactions as indicators of the
social organization of brown howling monkeys (Alouatta fusca
clamitans).
NEOTROPICAL PRIMATES 6(4): 115-117, 1998.

de Waal, F; Lanting, F L, photogr 
BONOBOS:  THE FORGOTTEN PRIMATES.
Berkeley, Univ. of California Press, 1997, 210 pp.

DeVinney BJ; Berman CM; Rasmussen KLR
Changes in play behavior after sibling birth among
free-ranging yearling rhesus monkeys (Macaca mulatta) on
Cayo Santiago. AMERICAN JOURNAL OF PRIMATOLOGY 49(1): 48,
1999. (Abstract)

Devinney BJ
Late infancy and early juvenescence among free-ranging
rhesus monkeys: Social relationships and reactions to
younger siblings' births.
DISSERTATION ABSTRACTS INTERNATIONAL A59(9): 3525, 1999.
(To order: #AAD99-05256. University Microfilms, Inc, Ann
Arbor, MI 48106)

Dixson AF
PRIMATE SEXUALITY: COMPARATIVE STUDIES OF THE PROSIMIANS,
MONKEYS, APES, AND HUMAN BEINGS. Oxford, Oxford Univ Press,
1998, xiv, 546 pp..

Dixson AF; Brown GR; Nevison CM
Developmental significance of the postnatal testosterone
|surge| in male primates.
Pp. 129-145 in MALES, FEMALES, AND BEHAVIOR: TOWARD
BIOLOGICAL UNDERSTANDING. Ellis L, ed. Westport CT, Praeger,
1998.

Dolhinow P
Play as a developmental process.
AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY (Suppl 26): 105,
1998.
Abstract

Dolhinow P
Play: A critical process in the developmental system.
Pp. 231-236 in THE NONHUMAN PRIMATES. Dolhinow P, ed.
Mountain View, Mayfield Publ, 1999.

Duecker S; Reichler S; Preuschoft S
The functional differentiation of affiliative facial
displays in Theropithecus gelada.
FOLIA PRIMATOLOGICA 69(4): 199-200, 1998. (Abstract)

Fitch-Snyder, H; Harvey, N C; Lindburg, D G; Tornatore, N
Adult/infant affiliative interactions in Thibetan macaques
(Macaca thibetana) housed in a small social group. AMERICAN
JOURNAL OF PRIMATOLOGY 42(2) 110, 1997.
(Abstract)

Fouts, R; Mills, S T
NEXT OF KIN: WHAT CHIMPANZEES HAVE TAUGHT ME ABOUT WHO WE
ARE.
New York, Morrow, 1997, xi, 420 pp..

Frederick C
Observations of paternal care in Perodicticus potto at the
Cincinnati Zoo and Botanical Garden. FOLIA PRIMATOLOGICA
69(5): 312-317, 1998.

Gevers E; Preuschoft S; van Hooff JARAM
Functional differentiation in the affiliative facial
displays of long-tailed macaques (Macaca fascicularis).
FOLIA PRIMATOLOGICA 69(4): 199, 1998. (Abstract)

Goy RW
Patterns of juvenile behavior following early hormonal
interventions.
Pp. 296-314 in THE LIFESPAN DEVELOPMENT OF INDIVIDUALS:
BEHAVIORAL, NEUROBIOLOGICAL, AND PSYCHOSOCIAL PERSPECTIVES:
A SYNTHESIS. Magnusson D, ed. New York, Cambridge Univ
Press, 1997.

Gursky, S L
Modeling maternal time budgets:  The impact of lactation and
infant transport on the time budget of the spectral tarsier,
Tarsius spectrum.
DISSERTATION ABSTRACTS INTERNATIONAL A58(6): 2277, 1997.
(To order:  #AAD97-35831.  University Microfilms, Inc, Ann
Arbor, MI 48106)

Hall SL
Object play by adult animals.
Pp. 45-60 in ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND
ECOLOGICAL PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge
Univ Press, 1998.

Hammerschmidt K; Fischer J
The vocal repertoire of Barbary macaques: A quantitative
analysis of a graded signal system. ETHOLOGY 104(3):
203-216, 1998.

Hashimoto, C
Context and development of sexual behavior of wild bonobos
(Pan paniscus) at Wamba, Zaire. INTERNATIONAL JOURNAL OF
PRIMATOLOGY 18(1): 1-21, 1997.

Heiduck S
How to cope with seasonality in food availability: Patch use
strategies of masked titi monkeys (Callicebus personatus
melanochir).
FOLIA PRIMATOLOGICA 69(4): 221, 1998. (Abstract)

Hiraiwa-Hasegawa, M
Development of sex differences in nonhuman primates.
Pp. 69-75 in THE EVOLVING FEMALE:  A LIFE-HISTORY
PERSPECTIVE. M.E. Morbeck; A. Galloway; A.L. Zihlman, eds.
Princeton, Princeton Univ Press, 1997.

Hobbs P
A zoo odd couple. ZOONOOZ 71(12): 18-21, 1998.

Hoff MP; Hoff KT; Maple TL
Behavioural response of a Western lowland gorilla Gorilla
gorilla gorilla group to the loss of the silverback male at
Zoo Atlanta.
INTERNATIONAL ZOO YEARBOOK 36: 90-96, 1998.

Hoff MP; Hoff KT; Maple TL
Juvenile-infant relationships among captive lowland
gorillas.
AMERICAN JOURNAL OF PRIMATOLOGY 49(1): 61, 1999.
(Abstract)

Howell, S M; Drummer, L; Fritz, J
Social group formation in captive chimpanzees (Pan
troglodytes):  A comparison between two institutions.
AMERICAN JOURNAL OF PRIMATOLOGY 42(2) 116-117, 1997.
(Abstract)

Izawa, K
Social changes within a group of wild black-capped
capuchins, V.
FIELD STUDIES OF FAUNA AND FLORA, LA MACARENA, COLOMBIA 11:
1-10, 1997.

Jacques M
Ontogeny and forms of play in captive ring-tailed lemurs,
Lemur catta
FOLIA PRIMATOLOGICA 69(Suppl 1): 411, 1998.

Jaques, M; Hosey, G
Development of social behaviour and play in captive
ring-tailed lemurs (Lemur catta).
PRIMATE EYE (62): 8-9, 1997. (Abstract)

Jones, S; King, J E; Droigk, J
Crowd size and activity affects macaque behavior in zoos.
CHIMPANZOO CONFERENCE PROCEEDINGS (1996): 84, 1997.
(Abstract)

Jung, M; Heckner-Bisping, U
[The influence of enclosure design on the behavior of a
chimpanzee group (Pan troglodytes).] ZOOLOGISCHE GARTEN
67(4) 177-200, 1997.
(German w/ English summary)

Kamal, K B; Boug, A; Brain, P F
Effects of food provisioning on the behaviour of commensal
Hamadryas baboons, Papio hamadryas, at Al Hada Mountain in
western Saudi Arabia.
ZOOLOGY IN THE MIDDLE EAST 14: 11-22, 1997.

Kerridge FJ
Part-time fostering by a pair of black and white ruffed
lemurs (Varecia variegata variegata). ANIMAL WELFARE 8(1):
35-42, 1999.

Kimura, K
Males' life history and their social relations of wild red
howler monkeys.
FIELD STUDIES OF FAUNA AND FLORA, LA MACARENA, COLOMBIA 11:
35-40, 1997.

Kinzey, W G
Synopsis of New World primates:  Alouatta. Pp. 174-185 in
NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND BEHAVIOR. W.G.
Kinzey, ed. New York, Aldine de Gruyter, 1997.

Kinzey, W G
Synopsis of New World primates:  Aotus. Pp. 186-191 in NEW
WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND BEHAVIOR. W.G.
Kinzey, ed. New York, Aldine de Gruyter, 1997.

Kinzey, W G
Synopsis of New World primates:  Ateles.
Pp. 192-199 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Brachyteles.
Pp. 200-207 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Cacajao.
Pp. 208-212 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Callicebus.
Pp. 213-221 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Callimico.
Pp. 222-229 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.
(ISBN 0-202-01185-2)

Kinzey, W G
Synopsis of New World primates:  Callithrix.
Pp. 230-239 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Cebuella.
Pp. 240-247 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Cebus.
Pp. 248-257 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:   Chiropotes.
Pp. 258-263 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Lagothrix.
Pp. 264-271 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Leontopithecus.
Pp. 272-280 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Pithecia.
Pp. 281-288 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.
(ISBN 0-202-01185-2)

Kinzey, W G
Synopsis of New World primates:  Saguinus.
Pp. 289-296 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kinzey, W G
Synopsis of New World primates:  Saimiri.
Pp. 297-305 in NEW WORLD PRIMATES:  ECOLOGY, EVOLUTION, AND
BEHAVIOR. W.G. Kinzey, ed. New York, Aldine de Gruyter,
1997.

Kirkpatrick RC; Long YC; Zhong T; Xiao L
Social organization and range use in the Yunnan snub-nosed
monkey Rhinopithecus bieti.
INTERNATIONAL JOURNAL OF PRIMATOLOGY 19(1): 13-51, 1998.

Klein C
Social interaction within a family group of pileated gibbons
(Hylobates pileatus).
GIBBON'S VOICE 2(1): 3-4, 1997.

Langer J; Killen M
PIAGET, EVOLUTION, AND DEVELOPMENT.
Mahwah, NJ, L Erlbaum Assoc, 1998, viii, 317 pp.

Ludes-Fraulob E; Anderson JR
Behaviour and preferences among deep litters in captive
capuchin monkeys (Cebus capucinus). ANIMAL WELFARE 8(2):
127-134, 1999.

Maestripieri D; Carroll KA
Behavioral and environmental correlates of infant abuse in
group-living pigtail macaques.
INFANT BEHAVIOR & DEVELOPMENT 21(4): 603-612, 1998.

Manson, J H; Perry, S; Parish, A R
Nonconceptive sexual behavior in bonobos and capuchins.
INTERNATIONAL JOURNAL OF PRIMATOLOGY 18(5): 767-786, 1997.

McCune L
Children's transition to language: A human model for
development of the vocal repertoire in extant and ancestral
primate species?
Pp. 269-306 in THE ORIGINS OF LANGUAGE: WHAT NONHUMAN
PRIMATES CAN TELL US. King BJ, ed. Santa Fe, Sch Amer Res
Press, 1999.

McGrew, W C
Sex differences in the family life of cotton-top tamarins:
Socioecological validity in the laboratory? Pp. 95-107 in
NEW WORLD PRIMATES: ECOLOGY, EVOLUTION, AND BEHAVIOR. W.G.
Kinzey, ed. New York, Aldine de Gruyter, 1997.

Michael RP; Zumpe D
Developmental changes in behavior and in steroid uptake by
the male and female macaque brain. DEVELOPMENTAL
NEUROPSYCHOLOGY 14(2-3): 233-260, 1998.

Miklosi A
In the search for the functional homology of human
imitation: Take play seriously!
BEHAVIORAL AND BRAIN SCIENCES 21(5): 699-700, 1998.
(Open peer commentary)

Miklosi A
The ethological analysis of imitation.
BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY
74(3): 347-374, 1999.

Munn C; Fernandez M
Infant development
Pp. 59-66 in ORANGUTAN SPECIES SURVIVAL PLAN HUSBANDRY
MANUAL. Sodaro C, ed. Atlanta, Orangutan SSP, 1997.

Munoz-Delgado J; Luna-Vilegas G; Garrido-Guil L;
Mondragon-Ceballos R; Fernandez-Guardiola A
[A model of social strategy during nocturnal rest in Macaca
arctoides in outdoor captivity.]
SALUD MENTAL 20(4): 16-22, 1997.

Neubauer S; Heckner-Bisping U
[Social interactions within a group of male gorillas,
Gorilla gorilla (Savage & Wyman) in the Loro Park,
Teneriffe.] ZOOLOGISCHE GARTEN 69(1): 11-39, 1999.
(German w/ English summary)

Nevison, C M; Brown, G R; Dixson, A F
Effects of altering testosterone in early infancy on social
behaviour in captive yearling rhesus monkeys. PHYSIOLOGY &
BEHAVIOR 62(6): 1397-1403, 1997.

Niemitz C
Five years of behavioural ontogeny in two western lowland
gorillas (Gorilla g. gorilla): An intermediate report on a
long-term project at the Zoological Garden of Berlin.
FOLIA PRIMATOLOGICA 69(4): 192, 1998. (Abstract)

Parker ST
The evolution and development of self-knowledge: Adaptations
for assessing the nature of self relative to that of
conspecifics. Pp. 171-192 in PIAGET, EVOLUTION, AND
DEVELOPMENT. Langer J, ed. Mahwah, NJ, L Erlbaum Assoc,
1998.

Parker ST
The development of social roles in the play of an infant
gorilla and its relationship to sensorimotor intellectual
development.
Pp. 367-393 in THE MENTALITIES OF GORILLAS AND ORANGUTANS:
COMPARATIVE PERSPECTIVES. Parker ST, ed. Cambridge,
Cambridge Univ Press, 1999.

Parker ST; Mitchell RW
The mentalities of gorillas and orangutans in phylogenetic
perspective.
Pp. 397-411 in THE MENTALITIES OF GORILLAS AND ORANGUTANS:
COMPARATIVE PERSPECTIVES. Parker ST, ed. Cambridge,
Cambridge Univ Press, 1999.

Peetz A; Homburg I
Seasonal variation in the feeding ecology of bearded sakis
(Chiropotes satanas chiropotes) in relation to their
activity budget.
FOLIA PRIMATOLOGICA 69(4): 217, 1998. (Abstract)

Pellis SM; Iwaniuk AN
The problem of adult play fighting: A comparative analysis
of play and courtship in primates. ETHOLOGY 105(9): 783-806,
1999.

Pellis SM; Pellis VC
The structure-function interface in the analysis of play
fighting.
Pp. 115-140 in ANIMAL PLAY: EVOLUTIONARY, COMPARATIVE, AND
ECOLOGICAL PERSPECTIVES. Bekoff M, ed. Cambridge, Cambridge
Univ Press, 1998.

Pellis, S M; Pellis, V C
Targets, tactics, and the open mouth face during play
fighting in three species of primates.
AGGRESSIVE BEHAVIOR 23(1): 41-57, 1997.

Pellis, S M; Pellis, V C; Thierry, B
The use of the bared teeth display as a play signal in
Tonkean macaques Macaca tonkeana. ADVANCES IN ETHOLOGY 32:
140, 1997. (Abstract)

Pereira ME; Preisser MC
Do strong primate players 'self-handicap' during competitive
social play?
FOLIA PRIMATOLOGICA 69(3): 177-180, 1998.

Pereira, P; Silva, L; Alonso, C; Beltrao, E
[Description of play behavior in two species of
callitrichids (Primates: Callitrichidae).]
Pp. 149 in PROGRAMA E RESUMOS DO VIII CONGRESSO BRASILEIRO
DE PRIMATOLOGIA & V REUNIAO LATINO-AMERICANO DE
PRIMATOLOGIA. Joao Pessoa, Soc Bras de Primatol, 1997.
(Portuguese, abstract)

Perret K; Buechner S; Adler HJ
[Enrichment program for zoo chimpanzees (Pan troglodytes).]
ZOOLOGISCHE GARTEN 68(2): 95-111, 1998. (German)

Perry, S
Male-female social relationships in wild white-faced
capuchins (Cebus capucinus).
BEHAVIOUR 134(7-8): 477-510, 1997.

Porton I; Wilson J
INTERNATIONAL STUDBOOK FOR THE BLACK LEMUR EULEMUR MACACO
MACACO AND EULEMUR MACACO FLAVIFRONS. 4TH ED.
St Louis, St Louis Zoologial Park, 1997, 140 pp. (Data
through 6/30/97)

Preuschoft, S
The social function of |smile| and |laughter|:  Variations
across primate species and societies. Pp. 171-189 in
NONVERBAL COMMUNICATIION:  WHERE NATURE MEETS CULTURE. U.
Segerstrale; P. Molnar, eds. Mahwah, NJ, Lawrence Erlbaum
Assoc, 1997.

Price MD; Becker ML; Ward JP
Play behavior in infant small-eared bushbabies (Otolemur
garnettii).
AMERICAN JOURNAL OF PRIMATOLOGY 49(1): 88-89, 1999.
(Abstract)

Ramsey, L I
Social play of infant cross-fostered chimpanzees.
MASTERS ABSTRACTS 35(1): 357, 1997.
(To order:  #AAD13-81267. University Microfilms, Inc, Ann
Arbor, MI 48106)

Reichard U; Sommer V
Group encounters in wild gibbons (Hylobates lar): Agonism,
affiliation, and the concept of infanticide. BEHAVIOUR
134(Pt 15-16): 1135-1174, 1997.

Rooney MB; Sleeman J
Effects of selected behavioral enrichment devices on
behavior of western lowland gorillas (Gorilla gorilla
gorilla). JOURNAL OF APPLIED ANIMAL WELFARE SCIENCE 1(4):
339-351, 1998.

Ruempler U
Husbandry and breeding of Douc langurs Pygathrix nemaeus
nemaeus at Cologne Zoo.
INTERNATIONAL ZOO YEARBOOK 36: 73-81, 1998.

Russon AE; Mitchell RW; Lefebvre L; Abravanel E
The comparative evolution of imitation.
Pp. 103-143 in PIAGET, EVOLUTION, AND DEVELOPMENT. Langer J,
ed. Mahwah, Lawrence Erlbaum Assoc, 1998.

Saltzman, W; Severin, J M; Schultz-Darken, N J; Abbott, D H
Behavioral and social correlates of escape from suppression
of ovulation in female common marmosets housed with the
natal family.
AMERICAN JOURNAL OF PRIMATOLOGY 41(1): 1-21, 1997.

Schapiro, S J; Bloomsmith, M A; Suarez, S A; Porter, L M
A comparison of the effects of simple versus complex
environmental enrichment on the behaviour of group-housed,
subadult rhesus macaques.
ANIMAL WELFARE 6(1): 17-28, 1997.

Simanjuntak CN
[Playing behavior of young orangutan, Pongo pygmaeus abelii,
at Ketambe, Gunung Leuser National Park, Southeast Aceh.]
JURNAL PRIMATOLOGI INDONESIA 2(2): 30-33, 1998. (Indonesian
w/ English summary)

Stanford CB
THE HUNTING APES: MEAT EATING AND THE ORIGINS OF HUMAN
BEHAVIOR.
Princeton, Princeton Univ Press, 1999, xi, 253 pp.

Stevenson, P
Vocal behavior of woolly monkeys (Lagothrix lagotricha) at
Tinigua National Park, Colombia. FIELD STUDIES OF FAUNA AND
FLORA, LA MACARENA, COLOMBIA 10: 17-28, 1997.

Suomi SJ
Conflict and cohesion in rhesus monkey family life.
Pp. 283-299 in CONFLICT AND COHESION IN FAMILIES: CAUSES AND
CONSEQUENCES. Cox MJ, ed. Mahwah, NJ, Lawrence Erlbaum
Assoc, 1999.

Suomi SJ
Developmental trajectories, early experiences, and community
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