Over a four-year period the monthly distribution pattern of births showed by the Japanese macaques of the Rome group, originally belonging to the Takasakiyama colony, was recorded and its relations to climate, latitude and female reproductive condition were assessed. The birth patterns of the Rome and Takasakiyama groups proved identical whereas the ecological conditions under which the two colonies live are not. In more detail, the results denied the indirect influence of rainfall through the associated vegetational recrudescence and questioned the role of photoperiod as proximate stimulus for the actual onset of mating.
- birth season
- female reproductive condition
- geographic transfer
- Macaca fuscata
ASJC Scopus subject areas
- Ecology, Evolution, Behavior and Systematics