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Development of captive bongos (Tragelaphus eurycerus): Activity budgets and developmental milestones
Zoo biology, 1992, Vol.11 (3), p.197-207
Forthman, Debra L.
Perkins, Lorraine A.
Mead, Joan I.
Miller, Nicolette S.
1992
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Forthman, Debra L.
Perkins, Lorraine A.
Mead, Joan I.
Miller, Nicolette S.
Titel
Development of captive bongos (Tragelaphus eurycerus): Activity budgets and developmental milestones
Ist Teil von
Zoo biology, 1992, Vol.11 (3), p.197-207
Ort / Verlag
New York: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
1992
Quelle
Wiley Online Library
Beschreibungen/Notizen
The development of changes in visual orientation, posture, activity budgets, and behavioral milestones was examined in five bongo calves which were observed from birth to 4 or 6 months of age. The only significant change in the calves' visual orientation was an increase in orientation to food. Reclining declined significantly over weeks, while standing increased and moving did not change. Overall, stationary behaviors dominated the activity budget, but decreased significantly over the study. The category that included locomotion, object exploration, and auto‐play did not change, while forage and rumination increased significantly. Contrary to expectation, the decline in suckling was not significant. Affiliative interactions with the dam decreased significantly during the study, but increases in affiliation with other bongos were not significant. Levels of agonistic behavior between the calves and their dams and other herd members were low throughout the study, and did not change significantly. One female calf achieved several developmental milestones later than the others. It is suggested that these differences may have been influenced by the dominance status of her dam. The results conform to the general developmental pattern of “hider” bovids. Bongos, however, show somewhat different patterns of social development than eland, which are reported to be more precocial in expression of aggressive and sexual behaviors. © 1992 Wiley‐Liss, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0733-3188
eISSN: 1098-2361
DOI: 10.1002/zoo.1430110308
Titel-ID: cdi_proquest_miscellaneous_16265605
Format
–
Schlagworte
behavior
,
bongo calves
,
eland
,
Tragelaphus eurycerus
Weiterführende Literatur
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