The strongest and most experienced animal is thus imposed with the duties of a doorkeeper . This spatial arrangement shows a strong similarity with elementary ground plans of human dwellings. A very basic form of securing space finds expression. 1 nest Fig. The size of individual home ranges varies between 10 to 100 square miles.
Dots represent individual animals living off home ranges.
The hatched area in the centre is rather sparsely but continuously populated. The dotted line shows the border between the great northwestern equatorial forests and the broad savannas extending towards the south and the east. Heights are given in feet. Density of the hatching indicates the density of the foliage of treetops and bushes. Under construction - Fig.