Accordingly these holes become reservoirs of
water when the river is otherwise exhausted. In such asylums all
the usual inhabitants of this large river are crowded together in
a comparatively narrow space. Although these pools vary in size,
from only a few hundred yards to a mile in length, they are
positively full of life; huge fish, crocodiles of immense size,
turtles, and occasionally hippopotami, consort together in close
and unwished-for proximity.
The animals of the desert--gazelles, hyaenas, and wild asses--are
compelled to resort to these crowded drinking-places, occupied by
the flocks of the Arabs equally with the timid beasts of the
chase. The birds that during the cooler months would wander free
throughout the country, are now collected in vast numbers along
the margin of the exhausted river; innumerable doves, varying in
species, throng the trees and seek the shade of the dome palms;
thousands of desert grouse arrive morning and evening to drink
and to depart; while birds in multitudes, of lovely plumage,
escape from the burning desert, and colonize the poor but welcome
bushes that fringe the Atbara river.
The heat was intense. As we travelled along the margin of the
Atbara, and felt with the suffering animals the exhaustion of the
clinmate, I acknowledged the grandeur of the Nile that could
overcome the absorption of such thirsty sands, and the
evaporation caused by the burning atmosphere of Nubia.
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