Chimpanzees of the Budongo Forest : Ecology, Behaviour, and Conservation
In support of this, Fawcett did not find evidence that females competed for core areas in the centre of the range. In contrast w ...
year previously when she was in oestrus. Now they suddenly appeared, confidently and without fear of observers, in the heart of ...
and others^45 who have looked into this carefully. We were finding and naming new adult females until 1996 (Harriet was the last ...
been reported at Kibale Forest. The subject has been reviewed by Wilson and Wrangham (2003). At Budongo such fighting is rare, b ...
The antagonism between the Waibira and the Sonso communities declined in 2000 when an ever-increasing number of illegal pitsawye ...
6. Social behaviour and relationships 7.15 Into forest with Tinka John. We move east to block 8D. Duane walks past us unconcerne ...
refer to communicative signals as and when they arise in the course of describing other things. From the point of view of cognit ...
Of 709 consecutive instances of grooming recorded in 2001, when there were 10 adult males and 17 adult females, the highest numb ...
individuals showed a preference for a particular partner by selecting him and not the other male or males present. Distance to t ...
sessions recorded at Sonso over a five-year period (1995–2000) shows the number of occasions on which males and females groomed ...
to the power struggles within Sonso society. Grooming, as we noted, goes up the hierarchy: individual males use grooming to appe ...
briefly but returned to resume splashing in the river, this time leaning over and splashing vigor- ously with both hands. Janet ...
males of intermediate rank, whereas the alpha male is able to monopolize females when it suits him to do so. Considering the dat ...
following her, staying near her and feeding in her company. When she moved, they moved. Black, Maani and Nkojo had all mated wit ...
and Hiraiwa-Hasegawa (1990) working at Mahale define ‘copulation’ as one or more mountings taking place over a maximum period of ...
possessiveness was a successful strategy of the alpha male only, as was found at Gombe (Tutin 1975) and Mahale (Hasegawa and Hir ...
wake just after dawn at 7 a.m., yet no successful copulations were observed prior to 7.30 a.m. Instead, the chimpanzees were mos ...
females present. Before 9 a.m., there was an inverse relationship between the copulation rate and the percentage of time spent f ...
Seasonality of oestrous cycles At Budongo, females do not ‘come into oestrus’ (or show oestrous cycling) equally all year round. ...
different tree species and other plant species shed their leaves, and then produce new leaves, flowers and fruits at different t ...
«
2
3
4
5
6
7
8
9
10
11
»
Free download pdf