Parental Investment and Rearing Schedules in the Eastern Grey Kangaroo

Title
Parental Investment and Rearing Schedules in the Eastern Grey Kangaroo
Publication Date
1988
Author(s)
Stuart-Dick, Robyn Ingrid
Jarman, Peter
Type of document
Thesis Doctoral
Language
en
Entity Type
Publication
UNE publication id
une:11004
Abstract
Mother-young relations were studied in a wild population of eastern grey kangaroos ('Macropus giganteus') during three years. The studied population comprised approximately 100 individually-known kangaroos, all of whom were habituated to close approach on foot. The females' reproductive status was monitored on a monthly basis and half were located almost every day of the 10-day monthly field trips. About 12 females were observed regularly for recording behavioural information on the mother-young relationship. The findings have been described and discussed with reference to parental investment theory and rearing schedules. Since parental investment involves a wide range of forms of parental care; the study investigated this topic within 4 principal contexts: the general ecology of the (mothers') local population: the mothers' social positions and behaviour within the social organisation; the development of the structure of the young's behaviour and the interdependent nature of the mothers' and young's behaviour: and the mothers' and young's roles in maintaining and defining the relationship.
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